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Release Notes for DSM_NANO_UPDATE

Version: 7.2.2-72806 Update 3

Important Update
(2025-02-04)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • The update is not available in your region yet. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. This update will restart the device.

What's New

  1. Added support for verifying LDAP server certificates when joining a directory. The following limitations apply:
    • Certificate verification for C2 Identity Edge Server is not supported.
    • This configuration cannot be backed up in DSM system configuration backup or Hyper Backup Entire System Backup.
  2. Added support for Synology Office Suite APIs, encompassing Synology Drive, Office (Spreadsheet), MailPlus, and Calendar. With RESTful API and Webhook capabilities, you can enable secure integrations and automate workflows. Ensure the following package versions are updated to access these features:
    • Synology Drive Server 3.5.2
    • Synology MailPlus 3.3.1
    • Synology Calendar 2.5.3

Fixed Issues

  1. Fixed a security vulnerabilities (Synology-SA-25:01).
  2. Fixed a security vulnerabilities (Synology-SA-25:03).

Version: 7.2.2-72806 Update 2

Important Update
(2024-11-26)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • The update is not available in your region yet. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. This update will restart the device.
  3. To enhance product security, the following packages will require a manual update after this release. Please go to the Package Center and click Repair to install the latest versions:
    • Synology Drive Server 3.5.1-26102
      • Note: After repairing Synology Drive Server, Synology Office will not auto-enable. Please go to Package Center > Synology Office, and click Run.
    • Replication Service 1.3.0-0423

Fixed Issues

  1. Minor bug fixes.

Version: 7.2.2-72806 Update 1

Important Update
(2024-11-05)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. This update will restart the device.

Fixed Issues

  1. Fixed multiple security vulnerabilities (Synology-SA-24:20).
  2. Fixed multiple security vulnerabilities (Synology-SA-24:27).

Version: 7.2.1-69057 Update 7

Important Update
(2025-02-18)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • The update is not available in your region yet. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. This update will restart the device.

What's New

  1. Added support for verifying LDAP server certificates when joining a directory. The following limitations apply:
    • Certificate verification for C2 Identity Edge Server is not supported.
    • This configuration cannot be backed up in DSM system configuration backup or Hyper Backup Entire System Backup.

Fixed Issues

  1. Fixed a security vulnerabilities (Synology-SA-25:03).

Version: 7.2.1-69057 Update 6

Important Update
(2024-11-12)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. This update will restart the device.

Fixed Issues

  1. Fixed multiple security vulnerabilities (Synology-SA-24:20).

Version: 7.2.1-69057 Update 5


(2024-04-08)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. This update will restart the device.

Fixed Issues

  1. Fixed an issue where upgrading from DSM 7.2.1 to later versions could fail.

Version: 7.2.1-69057 Update 4


(2024-01-16)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. Depending on your Synology NAS model, this update will restart the device.

Fixed Issues

  1. Fixed an issue where Cloud Sync and Drive ShareSync couldn't function properly when Active Insight was running on Synology NAS.
  2. Fixed multiple security vulnerabilities

Version: 7.2.1-69057 Update 3


(2023-11-24)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. Depending on your Synology NAS model, this update will restart the device.

Fixed Issues

  1. Fixed an issue where updating to DSM 7.2.1 nano 2 caused Task Scheduler to be unable to create or edit tasks.

Version: 7.2.1-69057 Update 2


(2023-11-24)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. Depending on your Synology NAS model, this update will restart the device.

Fixed Issues

  1. Fixed an issue where certain models might experience abnormal shutdown after updating to DSM 7.2.1.
  2. Fixed an issue where files deleted locally might still exist on the Hyper Backup destination server.
  3. Fixed an issue where file access failed due to errors during soft link creation in Btrfs file systems.
  4. Fixed an issue where backing up WriteOnce shared folders in Hyper Backup might cause space consumption.
  5. Fixed an issue where SSD read-write cache might cause unexpected restarts of DSM on SA3200D and SA3400D.

Version: 7.2.1-69057 Update 1


(2023-10-12)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. Depending on your Synology NAS model, this update will restart the device.

Fixed Issues

  1. Fixed an issue where errors might occur when NFS clients accessed information on shared folder.
  2. Fixed an issue where enabling OVS might affect the performance of 10Gb network interface controllers.
  3. Fixed an issue where volumes containing SSD caches might not be mounted properly after updating from DSM 7.0 to DSM 7.2.1.

Version: 7.2-64570 Update 4

Important Update
(2025-02-11)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • The update is not available in your region yet. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. This update will restart the device.

Fixed Issues

  1. Fixed a security vulnerabilities (Synology-SA-24:20).

Version: 7.2-64570 Update 3


(2023-08-03)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. Depending on your Synology NAS model, this update will restart the device.

Fixed Issues

  1. Fixed an issue where, after DSM 7.2-64570 Update 2, the NVMe SSD caches of a high-availability cluster might stop working.
  2. Fixed an issue where Synology Account might not be properly signed out.

Version: 7.2-64570 Update 2


(2023-07-24)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. Depending on your Synology NAS model, this update will restart the device.

Fixed Issues

  1. Fixed an issue where deleting snapshots through Snapshot Replication on the destination server might cause unused memory to not be released properly.
  2. Fixed an issue where certain models might experience unsuccessful replication with Snapshot Replication after updating to DSM 7.2.
  3. Fixed an issue where users signing in to DSM through Synology SSO might be unable to open Synology Office files.
  4. Fixed an issue where the system might be unable to send test emails when Synology Account is configured to receive notifications.
  5. Adjusted the suggestions generated by Western Digital Device Analytics (WDDA).
  6. Fixed an issue where certain models might not display the corresponding storage pool after creating a volume.
  7. Fixed an issue where the warning for checksum mismatch did not provide the file path for the files containing the error.
  8. Fixed a security vulnerability regarding Ghostscript (CVE-2023-36664).

Version: 7.2-64570 Update 1


(2023-06-19)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. Depending on your Synology NAS model, this update will restart the device.

Fixed Issues

  1. Fixed an issue where Btrfs volumes might not be able to run volume optimization successfully.
  2. Fixed an issue where drive replacement might not work properly for SHR storage pools.

Version: 7.1.1-42962 Update 8

Important Update
(2025-02-20)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • The update is not available in your region yet. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. This update will restart the device.

What's New

  1. Added support for verifying LDAP server certificates when joining a directory. The following limitations apply:
    • Certificate verification for C2 Identity Edge Server is not supported.
    • This configuration cannot be backed up in DSM system configuration backup or Hyper Backup Entire System Backup.

Fixed Issues

  1. Fixed an issue where the system might display the incorrect status in email notification settings.
  2. Fixed an issue where certain packages failed to display after installation.
  3. Fixed a security vulnerabilities (Synology-SA-25:03).

Version: 7.1.1-42962 Update 7

Important Update
(2024-11-26)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • The update is not available in your region yet. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. This update will restart the device.
  3. To enhance product security, the following packages will require a manual update after this release. Please go to the Package Center and click Repair to install the latest versions:
    • Synology Drive Server 3.2.1-23280
      • Note: After repairing Synology Drive Server, Synology Office will not auto-enable. Please go to Package Center > Synology Office, and click Run.
    • Replication Service 1.2.2-0353

Fixed Issues

  1. Fixed multiple security vulnerabilities (Synology-SA-24:20).
  2. Fixed multiple security vulnerabilities (Synology-SA-24:02).
  3. Fixed multiple security vulnerabilities (Synology-SA-24:01).
  4. Fixed security vulnerabilities regarding netatalk (CVE-2024-38439, CVE-2024-38440, CVE-2024-38441).
  5. Fixed a security vulnerability regarding Terrapin Attack (CVE-2023-48795).

Version: 7.1.1-42962 Update 6


(2023-06-05)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. Depending on your Synology NAS model, this update will restart the device.

Fixed Issues

  1. Fixed an issue where, if the space reclamation process had encountered a heavy workload, the file system may be unable to mount after a system restart.
  2. Fixed an issue where the system was unable to display an expansion unit's storage pools if the unit had not been properly connected during a restart.
  3. Fixed an issue where the S.M.A.R.T. test results of NVMe SSDs could not be displayed.

Version: 7.1.1-42962 Update 5


(2023-04-12)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. Depending on your Synology NAS model, this update will restart the device.
  3. Users of HD6500 can now create a Btrfs volume of up to 1 PB. This update automatically converts existing volumes that use the Btrfs (Peta Volume) file system to Btrfs. However, to create a volume larger than 200 TB, a RAID 6 storage pool and at least 64 GB of system memory are still required.

What’s New

  1. Updated OpenSSL to version 1.1.1t to fix multiple security vulnerabilities (CVE-2023-0286, CVE-2023-0215, CVE-2022-4450, CVE-2022-4304).

Fixed Issues

  1. Fixed an issue where users couldn't access DSM via the Bonjour service.
  2. Fixed stability issue of QuickConnect connections.
  3. Fixed an issue where Synology mobile apps remained signed in after users ended all connections following a password change.
  4. Fixed an issue of space reclamation not running according to the set schedule.
  5. Fixed a display issue concerning the notification about incompatible network interface cards.

Version: 7.1.1-42962 Update 4


(2023-02-13)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. Depending on your Synology NAS model, this update will restart the device.

Compatibility & Installation

  1. The following drives will be updated automatically to the latest firmware version to fix an unexpected issue that may occur during repair or other read/write operations: HAT5300-4T (firmware version 1401 and 1402), HAT5300-16T (firmware version 1401), HAT5310-8T (firmware version 1401), and HAS5300-16T (firmware version 1401).

What’s New

  1. Added support for E10G22-T1-Mini with an alternative source of hardware components.
  2. Added support for SSD cache on HD6500.

Fixed Issues

  1. Fixed an issue where drives added to a RAID Group in a Synology High Availability cluster were not allocated correctly between RAID arrays.

Version: 7.1.1-42962 Update 3


(2022-12-08)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. Depending on your Synology NAS model, this update will restart the device.

Fixed Issues

  1. Fixed multiple security vulnerabilities. (Synology-SA-22:23)

Version: 7.1.1-42962 Update 2


(2022-10-20)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. Depending on your Synology NAS model, this update will restart the device.

What’s New

  1. When users select Outlook as the system notification service provider, they will need to sign in with OAuth 2.0, which is a safer authentication method. Previously configured Outlook accounts will be migrated to "Custom SMTP server". We strongly recommend re-configuring the settings for authentication to ensure your Outlook account security.

Fixed Issues

  1. Fixed an issue where performing file system checks on ext4 volumes would stop the quota settings on DSM from functioning.
  2. Fixed an issue where after HDD migration, users couldn't properly mount the SSD caches that weren't migrated to the new device.
  3. Fixed an issue where Universal Search couldn't find the data in shared folders on volumes that were created on DSM 7.1.1.
  4. Fixed an issue where users couldn't access DSM from certain devices.
  5. Fixed an issue where users couldn't access DSM via the Bonjour service.
  6. Fixed an issue where the E10G18-T1 network card couldn't be detected on the passive server when creating a Synology High Availability cluster with RC18015xs+.
  7. Fixed an issue where models with the AMD Ryzen V1000 CPU platform couldn't adjust the fan speed automatically after a system reboot.
  8. Fixed multiple security vulnerabilities regarding Out-of-Band (OOB). (Synology-SA-22:17)

Version: 7.1.1-42962 Update 1


(2022-09-22)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. Depending on your Synology NAS model, this update will restart the device.

Fixed Issues

  1. Fixed an issue where users might not be able to change the desktop background.
  2. Fixed an issue where volumes might become read-only due to data block allocation problems.
  3. Fixed an issue where LUN backup tasks in Hyper Backup might fail after updating DSM 7.1.1.

Version: 7.1-42661 Update 4


(2022-08-02)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to manually update it. Only Synology NAS with DSM 7.1 installed can be updated to this version.
    • The update is not available in your region yet. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed an issue where after restarting DSM, certain packages might fail to function properly if users had installed Synology High Availability.
  2. Fixed an issue where users might not be able to sign in to their Gmail account when configuring the sender at Control Panel > Notification > Email.

Version: 7.1-42661 Update 3


(2022-07-05)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to manually update it. Only Synology NAS with DSM 7.1 installed can be updated to this version.
    • The update is not available in your region yet. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed an unexpected issue that may occur when users Safe Ejected a single-volume storage pool that was created on DSM 6.2.4 or earlier.
  2. Fixed an issue where certain packages couldn't function properly shortly after restarting DSM.
  3. Fixed an unexpected issue that may occur when users tried to repair degraded storage pools that were previously migrated from a different version of DSM.

Known Issues

  1. We suggest that you stay with your current DSM version if you are using or plan to use Synology High Availability. This new version might cause certificate problems with SHA clusters. We will release a version including the patch for this issue in the upcoming weeks.

Version: 7.1-42661 Update 2


(2022-06-01)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to manually update it. Only Synology NAS with DSM 7.1 installed can be updated to this version.
    • The update is not available in your region yet. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. This update will restart your Synology NAS.

Compatibility & Installation

  1. When an SSD's firmware version doesn't support the S.M.A.R.T test, the system will disable related functions.

Fixed Issues

  1. Fixed an issue where the out-of-band port couldn't function properly when users configured Link Aggregation with only the ports on the external network card.
  2. Fixed an issue where users couldn't configure access via QuickConnect for Synology Drive Server because they couldn't find the package at Control Panel > External Access > QuickConnect > Advanced.

Version: 7.1-42661 Update 1


(2022-04-27)

Important Note

  1. The update is expected to be available in all regions shortly. If you want to update your DSM to this version now, please click here.
  2. This update will restart your Synology NAS.
  3. If users' Synology NAS aren't connected to the Internet, they must download SMB Service 4.10.18-0434 from the Download Center and manually install it after the DSM update to make sure the package functions properly. Note: Before users install SMB Service 4.10.18-0434, the package and its dependent package, Synology Directory Server, will be deactivated.

Fixed Issues

  1. Fixed an issue where users couldn't upload files to DSM via the Finder on macOS Big Sur 11.
  2. Fixed multiple security vulnerabilities regarding Netatalk (Synology-SA-22:06).

Version: 7.0.1-42218 Update 7

Important Update
(2024-11-28)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • The update is not available in your region yet. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. This update will restart the device.

Fixed Issues

  1. Fixed multiple security vulnerabilities (Synology-SA-24:02).
  2. Fixed multiple security vulnerabilities (Synology-SA-24:01).
  3. Fixed multiple security vulnerabilities (Synology-SA-23:05).
  4. Fixed security vulnerabilities regarding netatalk (CVE-2024-38439, CVE-2024-38440, CVE-2024-38441).
  5. Fixed a security vulnerability regarding Terrapin Attack (CVE-2023-48795).

Version: 7.0.1-42218 Update 6


(2023-01-04)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. Depending on your Synology NAS model, this update will restart the device.
  3. AAC-encoded content can be decoded and natively played back by most end devices, such as smartphones, tablets, computers, and smart TVs. Server-side transcoding of AAC-encoded content has been a redundant and resource-consuming process that was removed in DSM 7.0 starting from this version.
  4. When users select Outlook as the system notification service provider, they will need to sign in with OAuth 2.0, which is a safer authentication method. Previously configured Outlook accounts will be migrated to "Custom SMTP server". We strongly recommend re-configuring the settings for authentication to ensure your Outlook account security.
  5. Advanced Media Extensions must be updated to version 1.1.2-0301 to be compatible with this update.
  6. Video Station must be updated to version 3.0.5-2503 to be compatible with this update.
  7. Audio Station must be updated to version 7.0.3-5401 to be compatible with this update.
  8. Media Server must be updated to version 2.0.4-3150 to be compatible with this update.

Compatibility & Installation

  1. The following drives will be updated automatically to the latest firmware version to fix an unexpected issue that may occur during repair or other read/write operations: HAT5300-4T (firmware version 1401 and 1402), HAT5300-16T (firmware version 1401), HAT5310-8T (firmware version 1401), and HAS5300-16T (firmware version 1401).

Fixed Issues

  1. Fixed multiple security vulnerabilities. (Synology-SA-22:23)

Version: 7.0.1-42218 Update 5


(2022-06-23)

Important notes

  1. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed an issue where DSM on hybrid Synology High Availability clusters with certain configuration couldn't be updated, and the passive server would be removed from the cluster after the update failure.
  2. Fixed an issue where certain user interface text wasn't displayed correctly during DSM installation.

Version: 7.0.1-42218 Update 4


(2022-05-18)

Important notes

  1. The update is expected to be available in all regions shortly. If you want to update your DSM to this version now, please click here.

Compatibility & Installation

  1. Surveillance Station will restart automatically to ensure it functions normally after the DSM update.

Fixed Issues

  1. Fixed an issue where the DSM versions on the active and passive server in a Synology High Availability cluster were different because the passive server wasn't connected to the internet during system update.
  2. Fixed security vulnerabilities regarding Netatalk (Synology-SA-22:06). Note: SMB Service must be updated to 4.10.18-0329.
  3. Fixed an issue where Synology High Availability clusters might misjudge that the NFS service failed and performed failover.

Version: 7.0.1-42218 Update 3


(2022-03-01)

Important Note

  1. The update is expected to be available in all regions shortly. If you want to update your DSM to this version now, please click here.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed an issue where the SSD read-write cache might cause DSM to unexpectedly restart.
  2. Fixed an issue where users could still edit the shared folders that are being moved, potentially resulting in unexpected data deletion.
  3. Fixed an issue where users couldn’t add Google or Outlook accounts at Personal > Email Delivery.
  4. Fixed an issue where sending a test email would fail if users selected Outlook as the service provider.
  5. Fixed multiple security vulnerabilities. (Synology-SA-22:03)

Version: 7.0.1-42218 Update 2


(2022-01-13)

Important Note

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to manually update it. Only Synology NAS with DSM 7.0.1 installed can be updated to this version.
    • The update is not available in your region yet. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed an issue where DSM falsely identified errors in the license files of certain packages.
  2. Fixed an issue where package logs weren't rotated after a switchover was performed on SA3200D.
  3. Fixed an issue where Synology Account might be signed out unexpectedly.
  4. Fixed an issue where the user interface response time might be longer when users ran user-defined scripts that included bind mounts.
  5. Fixed an issue where the time attribute of files on an exFAT-formatted external storage device was displayed incorrectly.
  6. Fixed an issue where there might be unexpected file permission changes in Surveillance Station due to multi-threaded file processing.
  7. Fixed an issue where SSD caches might stop functioning when there is insufficient system memory.
  8. Fixed an issue where mounting an encrypted shared folder on a Btrfs volume might fail.
  9. Fixed multiple security vulnerabilities. (Synology-SA-22:01)

Version: 7.0.1-42218 Update 1


(2022-01-13)

Important Note

This update has been recalled on January 12, 2022, because of falsely identified license file errors. The issue is fixed in version 7.0.1-42218-2.

Version: 6.2.4-25556 Update 8

Important Update
(2024-12-03)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • The update is not available in your region yet. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. This update will restart the device.
  3. To enhance product security, the following packages will require a manual update after this release. Please go to the Package Center and click Repair to install the latest versions:
    • Synology Drive Server 3.0.4-12699
      • Note: After repairing Synology Drive Server, Synology Office will not auto-enable. Please go to Package Center > Synology Office and click Run.
    • Replication Service 1.0.12-0066

Fixed Issues

  1. Fixed multiple security vulnerabilities (Synology-SA-24:02).
  2. Fixed multiple security vulnerabilities (Synology-SA-24:01).
  3. Fixed multiple security vulnerabilities (Synology-SA-23:05).
  4. Fixed security vulnerabilities regarding netatalk (CVE-2024-38439, CVE-2024-38440, CVE-2024-38441).
  5. Fixed a security vulnerability regarding Terrapin Attack (CVE-2023-48795).
  6. Fixed a security vulnerability (Synology-SA-24:20).

Version: 6.2.4-25556 Update 7


(2023-05-02)

Important notes

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to update it manually.
    • Your DSM is working fine without having to update. The system evaluates service statuses and system settings to determine whether it needs to update to this version.
  2. Depending on your Synology NAS model, this update will restart the device.
  3. AAC-encoded content can be decoded and natively played back by most end devices, such as smartphones, tablets, computers, and smart TVs. Server-side transcoding of AAC-encoded content has been a redundant and resource-consuming process that was removed in DSM 6 starting from this version.
  4. For the following packages to be available after this update, users must go to the Package Center and click Repair to install the latest version:
    • Advanced Media Extension 1.0.2-0039
    • Audio Station 6.5.7-3383
    • Media Server 1.8.5-2902
    • Video Station 2.5.1-1668
  5. Moments and Photo Station will resume working once Advanced Media Extension is updated to the latest version.

Compatibility & Installation

  1. The following drives will be updated automatically to the latest firmware version to fix an unexpected issue that may occur during repair or other read/write operations: HAT5300-4T (firmware version 1401 and 1402), HAT5300-16T (firmware version 1401), HAT5310-8T (firmware version 1401), and HAS5300-16T (firmware version 1401).

What’s New

  1. When users select Outlook as the system notification service provider, they will need to sign in with OAuth 2.0, which is a safer authentication method. Previously configured Outlook accounts will be migrated to "Custom SMTP server". We strongly recommend re-configuring the settings for authentication to ensure your Outlook account security.

Fixed Issues

  1. Fixed an issue where files shared via SMB may not be discoverable through macOS Ventura's Spotlight search.
  2. Fixed an issue where files shared via AFP may not be discoverable through macOS Ventura's Spotlight search.
  3. Fixed an issue where a Synology NAS running DSM 7.2 may be unable to update its domain database after syncing data from a domain controller running DSM 6.2.4.
  4. Fixed a security vulnerability (Synology-SA-22:23).

Version: 6.2.4-25556 Update 6


(2022-05-24)

Important Note

  1. The update is expected to be available in all regions shortly, while the time of release in each region vary slightly. If you want to update your DSM to this version now, please click here.
  2. Only Synology NAS with DSM 6.2.4 installed can be updated to this version.

Fixed Issues

  1. Fixed multiple security vulnerabilities regarding Netatalk (Synology-SA-22:06).

Version: 6.2.4-25556 Update 5


(2022-02-22)

Important Note

  1. The update is expected to be available in all regions shortly, while the time of release in each region vary slightly. If you want to update your DSM to this version now, please click here.
  2. Only Synology NAS with DSM 6.2.4 installed can be updated to this version.

Fixed Issues

  1. Fixed an issue where users couldn’t add Google or Outlook accounts at Personal > Email Delivery.
  2. Fixed an issue where sending a test email would fail if users selected Outlook as the service provider.
  3. Fixed multiple security vulnerabilities. (Synology-SA-22:03)
  4. Fixed an issue where filters might not work when users edit domain user or group privileges at Control Panel > Application Privileges.
  5. Fixed an issue where Avid Pro Tools couldn't save files via SMB.

Version: 6.2.4-25556 Update 4


(2022-01-27)

Important Note

  1. The update is expected to be available in all regions shortly, while the time of release in each region vary slightly. If you want to update your DSM to this version now, please click here.
  2. Only Synology NAS with DSM 6.2.4 installed can be updated to this version.

Fixed Issues

  1. Fixed a security vulnerability regarding Samba (Synology-SA-22:02).

Version: 6.2.4-25556 Update 3


(2022-01-11)

Important Note

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to manually update it. Only Synology NAS with DSM 6.2.4 installed can be updated to this version.
    • The update is not available in your region yet. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed an issue where package logs weren't rotated after a switchover was performed on SA3200D.
  2. Fixed an issue where Synology Account might be signed out unexpectedly.
  3. Updated the renewal rule of the built-in certificate to prevent DSM connection errors.
  4. Fixed an issue where users couldn't expand a RAID 1 storage pool on the active server in a Synology High Availability cluster when the active server's RAID 1 storage pool is smaller than the one on the passive server.
  5. Fixed multiple security vulnerabilities. (Synology-SA-22:01)

Version: 6.2.4-25556 Update 2


(2021-09-01)

Important Note

  1. DSM 6.2.4-25556-2 is updated on September 1 to fix the issues below.
    • Fixed an issue where the Synology Account sign-in status at Control Panel > QuickConnect was incorrectly shown as not signed in.
    • Fixed an issue where exFAT Access package installation might fail.
    • Fixed an issue where users couldn't use SSH transfer encryption for Shared Folder Sync tasks.
    • Fixed an issue where Active Insight might not be able to automatically collect and transfer diagnostic data when users submitted technical support forms.
  2. Disables the "Shut down UPS when the system enters Safe Mode" option by default.
  3. Audio Station must be updated to version 6.5.6-3377 or above to be compatible with this update.
  4. Media Server must be updated to version 1.8.1-2876 or above to be compatible with this update.
  5. Surveillance Station must be updated to version 8.2.9-6459 or above to be compatible with this update.
  6. Virtual Machine Manager must be updated to version 2.4.1-9259.

What's New

  1. Added support for Synology Active Insight, which provides an option for automatic delivery of diagnostic data to Synology Technical Support upon submission of a support ticket for a faster troubleshooting process. This option is configurable at DSM > Support Center.
  2. Added log entries for drive removal.

Fixed Issues

  1. Fixed an issue where the domain group list wasn't updated correctly.
  2. Fixed an issue where administrator users couldn't sign in to DSM after they reset their password by pressing the RESET button.
  3. Fixed an issue where all input fields across DSM were auto-filled with DSM account name if users had had Google Chrome remember their password with the Autofill function.
  4. Fixed an issue where Finder might stop responding when users search for content within mounted folders on macOS Big Sur 11.1 and 11.2.
  5. Fixed an issue where after users updated to DSM 6.2.4, iSCSI targets mapped with LUNs created on DSM 6.0 and before became offline and couldn't be enabled.
  6. Fixed an issue where signing in via 2-step verification generated an extra log entry.
  7. Fixed an issue where deleted files from the home folder couldn't be found in the recycle bin if deleted via SMB.
  8. Fixed an issue where there is a slight possibility that the SMB service might be shortly disconnected the moment users apply SMB setting modifications.
  9. Fixed an issue where backing up data on Windows using Windows Server Backup or other third-party software to Synology NAS might fail after users updated their Windows with updates released since April 2021.
  10. Updated the OpenSSL setting in response to new rules of Let's Encrypt certificates.
  11. Fixed an issue where there might be an incorrect IP conflict message for VLANs.
  12. Fixed an issue where DHCP settings of one network interface might be wrongly applied to another interface whose DHCP settings hadn't been enabled.
  13. Fixed an issue where CMS-managed servers might disconnect from a CMS Host that has been updated to DSM 6.2.4.
  14. Adjusted the LED indicator behavior for drive hibernation and deep sleep, making the LED status easier to distinguish on the following 15-series and 16-series models: DS916+, DS716+II, DS716+, DS416, DS416play, DS415+, DS415play, DS216+II, DS216+.
  15. Fixed an issue where the UPS server might not function properly after the system reboot.
  16. Refines the description for abnormal S.M.A.R.T test results and specifies the problematic S.M.A.R.T attributes.
  17. Fixed an issue where the system might not obtain the compatibility information of hot-swapped drives on expansion units.
  18. Fixed an issue where Western Digital hard drives couldn't be detected upon bootup on the following models: RS4017xs+, RS3618xs, RS3617xs+, RS3617RPxs, DS3617xsII, DS3617xs.
  19. Fixed an issue where the fan couldn't resume in full speed mode after a system reboot on models with the V1000 platform.
  20. Fixed an issue where memory module error messages weren't displayed properly.
  21. Enhanced the system performance when there is a large number of concurrent connections.
  22. Fixed an issue where when the "Get user/group lists with NT4-compatible mode" option is enabled, domain users might not be able to sign in to Synology Contacts.
  23. Fixed an issue where 15-series and newer models couldn't hibernate when there is a system error, such as a storage issue and hardware malfunction.
  24. Adjusted the fan speed on SA3400 and SA3600 to fix a potential overheating issue when E10G18-T2 is installed.
  25. Fixed an issue where users couldn't expand the LUNs on ext4 volumes that are already mapped to iSCSI Targets.
  26. Adjusted the fan speed to fix a potential overheating issue when a Synology network interface card (E10G18-T1, E10G18-T2, E10M20-T1, E10G21-F2, E25G20-F2) is used as the Heartbeat connection in an SHA cluster or for Open vSwitch.
  27. Fixed an issue where the system couldn't retrieve the full name of domain groups correctly after users click "Update domain data".
  28. Fixed an issue where the status of domain users couldn't be displayed properly when the status is "lockout".
  29. Fixed multiple security vulnerabilities regarding Samba (CVE-2020-14318, CVE-2020-14323, CVE-2020-14383, CVE-2020-27840, CVE-2021-20277).
  30. Fixed multiple security vulnerabilities. (Synology-SA-21:22)

Version: 6.2.4-25556 Update 1


(2021-04-01)

Important Note

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to manually update it. Only Synology NAS with DSM 6.2.4 installed can be updated to this version.
    • The update is not available in your region yet. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed an issue where the system might not be able to install or run some services successfully after being updated to DSM 6.2.4.

Version: 6.2.3-25426 Update 3


(2020-12-16)

Important Note

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to manually update it. Only Synology NAS with DSM 6.2.3 installed can be updated to this version.
    • The update is not available in your region yet. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Compatibility & Installation

  1. Photo Station must be updated to version 6.8.14-3501 or above to be compatible with this update.

What's New

  1. Enhanced NFSv4 connection stability.
  2. Increased the maximum number of IP camera channels on FS6400 to 150.

Fixed Issues

  1. Fixed an issue where support ticket submissions might fail in a certain version of Google Chrome.
  2. Fixed an issue where Windows 10, version 2004 virtual machines might fail to power on when users select UEFI as the firmware.
  3. Fixed an issue where there might be network disconnections on Virtual DSM.
  4. Enhanced the stability of SSD caches when multiple processes are accessing the same cache at the same time.
  5. Fixed an issue where CMS managed servers might not connect to the CMS host after they restarted.
  6. Fixed an issue where disks in Resource Monitor performance charts were not displayed in the correct sequence. Affected models include:
    • 21-series: DS1621+
    • 20-series: FS6400, DS1520+, DS920+, DS720+, DS420+, DS220+
  7. Fixed an issue where when users access files on DSM using Windows software via SMB, system performance might be affected. This is because of Windows software's continuous attempts to access the shared folders to which it has no permissions.
  8. Fixed an issue where Windows File Explorer might not update file deletion or removal in real time when folders are mounted via SMB.
  9. Fixed an issue where the system might not report the power status correctly on SA3200D.
  10. Fixed an issue where the setting pages after first-time DSM installation might not launch on Synology NAS models with multiple LAN ports.
  11. Fixed an issue where users were not able to empty the recycle bin of the "usbshare" shared folder.
  12. Fixed an issue where administrators were not able to change the "User must change password at next logon" setting via Windows RSAT.
  13. Fixed an issue where domain users could not be added to built-in groups via Windows RSAT.
  14. Fixed an issue where enabling the "Collect debug logs" option for SMB might result in excessive system space usage.
  15. Fixed an issue where the system might send incorrect port forwarding notifications after a restart.
  16. Fixed an issue where SHA-1 certificates might disappear when users click "Upgrade certificate".
  17. Fixed an issue where DSM might block users' IP addresses and create excessive logs when they tried to sign in after re-installing DSM.
  18. Fixed an issue where incorrect drive compatibility information was displayed after drive migration.
  19. Enhanced the stability of network interface cards on certain models.
  20. Fixed an issue where links in password reset emails did not work when the URLs exceed the maximum length.
  21. Fixed an issue where packages did not update automatically due to dependency problems.
  22. Enhanced SAS controller stability during system shutdowns.
  23. Fixed multiple security vulnerabilities. (Synology-SA-20:26)
  24. Supports Let's Encrypt ISRG certificates.

Version: 6.2.3-25426 Update 2


(2020-07-16)

Important Note

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to manually update it. Only Synology NAS with DSM 6.2.3 installed can be updated to this version.
    • The update is not available in your region yet. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

What's New

  1. Added support for Synology Expansion Unit FX2421.

Fixed Issues

  1. Fixed the issue where a DS920+ or DS720+ might not enter hibernation when its connected expansion unit has entered deep sleep.
  2. Fixed the issue where drive status LED indicators on a connected expansion unit might not work properly when the expansion unit wakes up from deep sleep.
  3. Fixed the issue where daylight saving time might not display correctly in certain time zones (e.g., Dublin, Casablanca).
  4. Fixed the issue where mounted remote shared folders on a Synology NAS may cause volumes to operate improperly or the Synology NAS unable to shut down in certain scenarios.
  5. Fixed the issue where the system might incorrectly prompt "drive slot disabled” notice when a DS413 or DS213+ wakes up from deep sleep.
  6. Enhanced the performance in writing a large number of files to a Btrfs volume with RAID 1 configuration using hard disk drives (HDD).
  7. Fixed the issue where Synology Universal Search and Synology Drive might consume excessive CPU resources when the option "Utilize unused memory as database cache to improve (search) performance" has been enabled.
  8. Fixed the issue where domain-related services might not resume working because the update of domain data could not be complete.
  9. Fixed security vulnerabilities (Synology-SA-20:18).
  10. Fixed the issue where the system might incorrectly prompt IP address conflict warning if a network interface card is attached to Synology NAS and the option "Reply to ARP requests if the target IP address is a local address configured on the incoming interface" is disabled.
  11. Fixed the issue where the status of an Ethernet port might not be detected properly when the Ethernet port is not connected to a network cable while Open vSwitch has been enabled.

Version: 6.2.3-25426 Update 1


(2020-06-09)

Important Note

  1. Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to manually update it. Only Synology NAS with DSM 6.2.3 installed can be updated to this version.
    • The update is not available in your region yet. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
    • The update is not required for your Synology NAS. Synology NAS will automatically run a checklist, which checks the services and system configurations, to determine whether this update is required.

Fixed Issues

  1. Fixed the issue where Storage Manager might display an incorrect warning when the size of a storage pool is over 16 TB on certain 32-bit models.

Version: 6.2.2-25044 Update 1


(2020-01-14)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

What's New

  1. Added Power Recovery function to allow the controllers or system to start up automatically once power has been restored if they previously shut down owing to an unexpected power outage.
  2. Support for the configuration of date and time formats in personal account settings and Control Panel.

Version: 6.2.2-24922 Update 6


(2020-03-17)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

What's New

  1. RS4017xs+ now supports D4EC-2666-16G memory module.

Fixed Issues

  1. Improved drive migration compatibility for certain combinations of devices and DSM versions.
  2. Improved the stability of iSCSI sessions on VMware hosts running EXSi 6.7 U3.
  3. Fixed an issue where the system might unexpectedly reboot when users run remote virtual machines on certain models in an unstable network environment.

Notes:

Version: 6.2.2-24922 Update 5


(2020-01-15)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Enhanced the compatibility of M.2 NVMe SSD devices.

Version: 6.2.2-24922 Update 4


(2019-11-05)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed the issue where the LED indicators on the drive slots of DS118, DS218, DS218play, DS418, DS418j, and RS819 might not work properly.
  2. Fixed the issue where the certificate might not work properly when the renewal has failed.
  3. Fixed the issue where manually renewed certificates may not be applied to certain services.
  4. Fixed a security vulnerability regarding Net-SNMP (CVE-2018-18066).
  5. Fixed multiple security vulnerabilities regarding Nginx (Synology-SA-19:33).
  6. Fixed multiple security vulnerabilities (Synology-SA-19:37).

Version: 6.2.2-24922 Update 3


(2019-08-21)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

What's New

  1. Updated the protocol of Let's Encrypt to ACME V2 to enhance the stability of the registration process.

Fixed Issues

  1. Fixed the issue where the system might be unable to install a package during first time installation.
  2. Fixed the issue where shared folders could not be accessed via the SMB protocol if the smb.conf file was manually modified for Final Cut Pro X.
  3. Improved the performance of the SMB protocol by reducing CPU usage when Synology NAS joins a domain.
  4. Fixed the issue where Integrated Windows Authentication (IWA) might not work again if the protocol has been disabled before.
  5. Fixed the issue where the LED indicators on the drive slots of RS4017xs+ and RS2818RP+ might not work properly.
  6. Adjusted the notification mechanism to comply with the latest Gmail API.
  7. Fixed the issue where duplicate entries of the same login event might be recorded at Log Center.
  8. Fixed the issue where applying non-default date formats at personal settings might result in additional date information being displayed.
  9. Fixed the issue where adding a Synology NAS to CMS host might result in a frozen "Checking" status and the device would not be added successfully.
  10. Fixed the issue where the storage capacity of a volume could not be expanded after it was migrated to a new Synology NAS with its corresponding SSD cache.

Version: 6.2.2-24922 Update 2


(2019-07-04)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.
  3. In response to Gmail API changes, your DSM needs an update to this version to continue the functionality of sending notifications via Gmail. If you wish to skip this update, or if your Synology product model is not eligible to update to DSM 6.2, please refer to the following article which will guide you through the manual configuration: How to use Gmail SMTP server to send emails for DSM

What's New

  1. Optimized the repair mechanism of RAID 6.
  2. Enhanced the stability of Btrfs file system.
  3. Enhanced the performance of the scheduled task to automatically empty the recycle bin.

Fixed Issues

  1. Adjusted Gmail notification authentication mechanism to comply with the new Gmail API.
  2. Fixed the issue where the public sharing link function might not work properly.
  3. Fixed several issues which might result from the defective NVMe SSDs, such as system startup failure.
  4. Fixed the issue where Google Chrome might autofill usernames and passwords into incorrect fields.
  5. Fixed the issue where the encrypted shared folders could not be accessed under certain conditions.
  6. Fixed the issue where the encrypted shared folders could not be mounted properly after system startup.
  7. Fixed the issue where, after the restart of Synology NAS or the configuration of Synology High Availability, the domain service powered by Directory Server for Windows Domain might not work properly.

Version: 6.2.2-24922 Update 1


(2019-06-11)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed an issue where available DSM updates may not be displayed in Control Panel and Notification.
  2. Fixed an issue where domain users may not be able to change their passwords when logging in through DSM.
  3. Fixed an issue where joining DSM to LDAP server might fail.
  4. Fixed an issue where accessing a path with special characters after enabling Mac special characters feature may result in permission error.
  5. Fixed an issue where some packages' functions might fail due to file permissions being reset by Package Center.
  6. Enhanced the stability of Btrfs file system under certain high I/O loading conditions.
  7. Fixed an issue where there's a small chance that UPS might be disabled after rebooting.
  8. Fixed an issue where reconnecting via CIFS in File Station might fail under unstable connection environment.
  9. Changed the default option for system date and time format settings to YYYY-MM-dd and HH:mm respectively.
  10. Fixed a security vulnerability regarding Samba (Synology-SA-19:23).
  11. Fixed a security vulnerability regarding libxslt (CVE-2019-11068).

Version: 6.2.1-23824 Update 6


(2019-02-19)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS if you are using the models listed below.
    • Plus Series : DS218+, DS718+, DS918+, DS1019+
    • Value Series : DS418play

Fixed Issues

  1. Fixed an issue where abnormal reboot while converting SHR type or expanding SHR capacity may cause the storage volume not to be properly mounted.
  2. Fixed an issue where the completion of Snapshot Replication under high load environment may result in abnormal reboot.
  3. Minor bug fixes.

Version: 6.2.1-23824 Update 5


(2019-01-22)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Added selected 15- and 16-series models to DX517's compatibility list.
    • 16-series: DS916+, DS216+, DS216+II
    • 15-series: DS1815+, DS1515+, DS415+

Version: 6.2.1-23824 Update 4


(2018-12-27)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed a security vulnerability (Synology-SA-18:64).

Version: 6.2.1-23824 Update 3


(2018-12-21)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed a security vulnerability regarding Netatalk (Synology-SA-18:62).

Version: 6.2.1-23824 Update 2


(2018-12-11)

Important Note

  1. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed an issue where the SSD cache auto-protection mechanism was not able to start automatically.
  2. Fixed an issue where installing package creates unnecessary package backup that occupies system space.

Version: 6.2.1-23824 Update 1


(2018-10-16)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Improve Package Center system mechanisms to enhance user experience.
  2. Enhanced the ext4 file system stability.
  3. Fixed an issue where external hard drives of WD My Book might not be recognized if DSM is rebooted while the drives are in hibernation.
  4. Fixed an issue where Microsoft Office files might not be renamed in Windows File Explorer through SMB protocol.
  5. Fixed an issue where the HASP package might not be usable after upgrading to DSM 6.2-23739-2 and DSM 6.2.1-23824.
  6. Fixed multiple security vulnerabilities regarding Linux kernel (Synology-SA-18:44).
  7. Fixed a security vulnerability (Synology-SA-18:55).
  8. Fixed a security vulnerability regarding wpa_supplicant (CVE-2018-14526).
  9. Fixed a security vulnerability regarding OpenSSH (CVE-2018-15473).
  10. Fixed multiple security vulnerabilities regarding Samba (CVE-2018-10858, CVE-2018-10919).

Version: 6.2-23739 Update 2


(2018-07-12)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS if you are using the models listed below.

    • XS Series : RS2818RP+, RS3618xs, RS2418RP+, RS2418+, FS1018, DS3018xs, RS818RP+, RS818+, FS3017, FS2017, RS4017xs+, RS3617xs, RS3617RPxs, DS3617xs, RS3617xs+, RS18017xs+, RS2416RP+, RS2416+, RS18016xs+, DS3615xs, RC18015xs+, RS815RP+, RS815+, RS3614xs, RS3614RPxs, RS3614xs+, RS3413xs+, RS10613xs+, DS3612xs, RS3412xs, RS3412RPxs, DS3611xs, RS3411xs, RS3411RPxs

    • Plus Series : DS1618+, DS918+, DS718+, DS218+, DS1817+, DS1517+, DS2415+, DS1815+, DS1515+, DS415+

    • Value Series : DS418play

    • Others : VirtualDSM, DDSM

Fixed Issues

  1. Adjusted power saving mechanism to improve PCIe compatibility.
  2. Fixed multiple security vulnerabilities regarding Linux kernel (Synology-SA-18:01).
  3. Fixed an issue where iSCSI Manager might not open for the incompatible format of iSCSI LUN configuration files set up before DSM 5.2.
  4. Enhanced package start-up performance.
  5. Fixed a security vulnerability (Synology-SA-18:36).

Version: 6.2-23739 Update 1


(2018-06-25)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed a security vulnerability regarding Linux kernel (CVE-2018-8897).
  2. Enhance the performance of Surveillance Station when deleting recordings in btrfs volume.
  3. Fixed multiple security vulnerabilities (Synology-SA-18:33).
  4. Fixed an issue where VAAI might fail after iSCSI LUN was recovered by LUN Backup.
  5. Fixed an issue where LUN configuration might be inconsistent.
  6. Minor bug fixes.

Version: 6.1.7-15284 Update 3


(2019-01-02)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed a security vulnerability regarding Netatalk (Synology-SA-18:62).
  2. Fixed a security vulnerability (Synology-SA-18:64).

Version: 6.1.7-15284 Update 2


(2018-07-12)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS if you are using the models listed below.

    • XS Series : RS2818RP+, RS3618xs, RS2418RP+, RS2418+, FS1018, DS3018xs, RS818RP+, RS818+, FS3017, FS2017, RS4017xs+, RS3617xs, RS3617RPxs, DS3617xs, RS3617xs+, RS18017xs+, RS2416RP+, RS2416+, RS18016xs+, DS3615xs, RC18015xs+, RS815RP+, RS815+, RS3614xs, RS3614RPxs, RS3614xs+, RS3413xs+, RS10613xs+, DS3612xs, RS3412xs, RS3412RPxs, DS3611xs, RS3411xs, RS3411RPxs

    • Plus Series : DS1618+, DS918+, DS718+, DS218+, DS1817+, DS1517+, DS2415+, DS1815+, DS1515+, DS415+

    • Value Series : DS418play

    • Others : VirtualDSM, DDSM

Fixed Issues

  1. Adjusted power saving mechanism to improve PCIe compatibility.
  2. Fixed a security vulnerability (Synology-SA-18:36).

Version: 6.1.7-15284 Update 1


(2018-06-25)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed a security vulnerability regarding Linux kernel (CVE-2018-8897).
  2. Fixed multiple security vulnerabilities (Synology-SA-18:33).
  3. Fixed a security vulnerability regarding Procps-ng (CVE-2018-1124).
  4. Minor bug fixes.

Version: 6.1.6-15266 Update 1


(2018-04-12)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.

Fixed Issues

  1. Fixed an issue where Drive might not work properly when the indexing rules have been changed.
  2. Fixed an issue where certain functions in Package Center might not work properly on Synology NVR products.

Version: 6.1.5-15254 Update 1


(2018-02-27)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.

Fixed Issues

  1. Enhanced system stability.

Version: 6.1.4-15217 Update 5


(2017-12-21)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed an issue where the scan results of Security Advisor may not be correct.

Version: 6.1.4-15217 Update 4


(2017-12-14)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed an issue where Block LUNs cannot be enabled after upgrading to DSM 6.1.4-15217-3.
  2. Fixed an issue where Advanced LUNs larger than 2TB cannot be mapped to Targets after upgrading to DSM 6.1.4-15217-3.

Version: 6.1.4-15217 Update 3


(2017-12-15)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. This update is a repack to fix the iSCSI issues.

(2017-12-13)
Fixed Issues

  1. Fixed multiple security vulnerabilities pertaining to OpenSSL (CVE-2017-3735, CVE-2017-3736, CVE-2017-3737, CVE-2017-3738).
  2. Enhanced the stability of the Apollo Lake platform BIOS.
  3. Fixed an issue with abnormal transfer rates for LUNs when backing up to an external storage device.
  4. Fixed an issue where DSM may shutdown incorrectly when iSCSI Block LUN services are overloaded.
  5. Improved the error handling mechanism for the SSD cache when volumes crash.
  6. Enhanced the stability of the upgrade process for SHA clusters.
  7. Enhanced volume expansion process stability after an improper shutdown.
  8. Enhanced system efficiency for calculating large numbers of user and group privilege settings.
  9. Fixed an issue where Microsoft Office documents may fail to save when Windows 10 Fall Creators Update is installed.

Version: 6.1.4-15217 Update 2


(2017-11-23)
  1. Fixed multiple security vulnerabilities regarding Samba (Synology-SA-17:72 Samba).

Version: 6.1.4-15217 Update 1


(2017-11-13)
  1. Fixed an issue where PPPoE cannot be displayed properly in Control Panel.

Version: 6.1.3-15152 Update 8


(2017-10-18)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed multiple security vulnerabilities regarding WPA/WPA2 protocols for wireless connections (CVE-2017-13077, CVE-2017-13078, CVE-2017-13079, CVE-2017-13080, CVE-2017-13081, CVE-2017-13082, CVE-2017-13084, CVE-2017-13086, CVE-2017-13087, CVE-2017-13088).

Version: 6.1.3-15152 Update 7


(2017-10-12)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Enhanced system stability on certain models:
    • DS918+
    • DS718+
    • DS218+
    • DS418play
  2. Enhanced the stability when adding hard disks to expand RAID.

Version: 6.1.3-15152 Update 6


(2017-10-03)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed multiple security vulnerabilities regarding DNSmasq (CVE-2017-13704, CVE-2017-14491, CVE-2017-14495, CVE-2017-14496).
  2. Fixed multiple security vulnerabilities regarding DHCPv6 Server (CVE-2017-14492, CVE-2017-14493, CVE-2017-14494).

Version: 6.1.3-15152 Update 5


(2017-09-25)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Enhanced monitor mechanism of drive temperatures.
  2. Enhanced compatibility of certain drives.
  3. Improved the healing mechanism for possible cache device errors.
  4. Enhanced file system stability by backporting Kernel updates.
  5. Fixed an issue where DSM might not check updates properly when QuickConnect is enabled.
  6. Enhanced the stability of DSM startup.
  7. Fixed a security vulnerability regarding Bluetooth dongle (CVE-2017-1000250).
  8. Fixed a security vulnerability regarding Linux kernel (CVE-2017-1000251).

Version: 6.1.3-15152 Update 4


(2017-09-06)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed HDD hibernation issues to enhance HDD compatibility.
  2. Enhanced overall stability of iSCSI services.
  3. Fixed compatibility issues with VMware environments.
  4. Fixed multiple security vulnerabilities regarding Linux Kernel (CVE-2017-10661, CVE-2017-10662, CVE-2017-10663).
  5. Enhanced the stability of RAID 5, RAID 6, SHR and RAID F1.

Version: 6.1.3-15152 Update 3


(2017-08-15)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed a compatibility issue when using USB passthrough in Virtual Machine Manager.
  2. Fixed security vulnerabilities regarding Linux kernel (CVE-2017-7533, CVE-2017-8890, CVE-2017-1000364, CVE-2017-1000365, CVE-2017-1000370, CVE-2017-1000371).
  3. Enhanced the stability of iSCSI Block-Level LUNs.

Version: 6.1.3-15152 Update 2


(2017-07-26)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. BIOS update to improve system stability. Applied models: DS1515+, DS1517+, DS1815+, DS1817+, DS2415+, DS415+, RS2416+, RS2416RP+, RS815+, RS815RP+.
  2. Enhanced USB 2.0 compatibility for DS415+, RS2416+, and RS2416RP+.

Version: 6.1.3-15152 Update 1


(2017-07-19)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.

Fixed Issues

  1. Fixed a security vulnerability regarding Samba (CVE-2017-11103).

Version: 6.1.2-15132 Update 1


(2017-07-10)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.

Fixed Issues

  1. Fixed an issue where the trusted domain might not display after the deletion and refresh of domain list.
  2. Fixed a security vulnerability regarding FFmpeg (CVE-2017-9993).

Version: 6.1.1-15101 Update 4


(2017-05-25)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.

Fixed Issues

  1. Fixed a security vulnerability regarding samba service (CVE-2017-7494).

Version: 6.1.1-15101 Update 3


(2017-05-23)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed a security vulnerability regarding Linux kernel (CVE-2017-7308).
  2. Enhanced the stability of DSM when establishing a network connection.
  3. Fixed an issue where DNS server might fail to add IPv6 subnet.

Version: 6.1.1-15101 Update 2


(2017-05-09)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed a security vulnerability (CVE-2017-7184).
  2. Fixed an Ubuntu virtual machine system freeze issue on Virtual Machine Manager.
  3. Enhanced the stability of iSCSI service.

Version: 6.1.1-15101 Update 1


(2017-05-02)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart Synology NAS models supporting SSD cache.

Fixed Issues

  1. Fixed an issue where domain users/groups might be displayed incorrectly when a file ACL is checked via Samba.
  2. Fixed an issue where users might experience failure or receive no response when updating domain data.
  3. Fixed an issue where volumes might not function normally when read-write SSD cache is used with advanced iSCSI LUNs.
  4. Fixed an issue where encrypted shared folders cannot be unmounted when connections with Samba clients have been established.
  5. Fixed an issue where failure of installation or upgrade might occur in Package Center.

Version: 6.1-15047 Update 2


(2017-03-22)

Fixed Issues

  1. Fixed an issue where a high-availability cluster might unexpectedly switch over when the active server is busy.
  2. Fixed an issue where SHA alternatively displays the message of availability/unavailability due to false alarm.
  3. Fixed an issue where DSM cannot be joined into Windows AD domains after upgrading to version 6.1.
  4. Fixed an issue where domain users cannot be edited on DSM after enabling Windows AD services.
  5. Fixed an issue where LDAP users could fail to access files via the SMB protocol.
  6. Fixed the compatibility issue of VMware with some file LUNs created on DSM 6.0 Beta.
  7. Fixed an issue where an encrypted shared folder cannot be decrypted when the encryption key is set to maximum length.
  8. Enhanced the stability of the iSCSI service.
  9. Fixed an issue where Auto Block might fail to block addresses when the Allow List is set as an IP range.
  10. Fixed an incorrect volume display on some models where RAID Groups are supported and SHR has been enabled.
  11. Fixed an issue where Microsoft Office and Adobe documents cannot be opened on Windows after being accessed on macOS via the AFP protocol.
  12. Improved the write performance of fragmented Btrfs volumes.
  13. Added Seagate IronWolf Health Management (IHM) support on Broadwell-DE models.
  14. Fixed the compatibility issue of WD WD8001FFWX with the DX1215 expansion unit.

Version: 6.1-15047 Update 1


(2017-02-25)
  1. Fixed a security vulnerability with the Auto Block function that could allow remote attackers to bypass the current IP blocking mechanism.

Version: 6.1-15022 Update 1


(2017-01-25)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.

Fixed Issues

  1. Fixed an issue where file attributes (e.g. Hidden/Read-only) may not work properly when accessed via SMB after Active Directory Server is activated.

Note: After installing this update, file attributes will be restored to the last ones before Active Directory Server is activated.

Version: 6.0.3-8754 Update 8


(2018-06-25)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed multiple security vulnerabilities (Synology-SA-18:33).

Version: 6.0.3-8754 Update 7


(2018-05-23)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. Updated Privacy Statement

Fixed Issues

  1. Fixed a security vulnerability regarding Wget (CVE-2018-0494).

Version: 6.0.3-8754 Update 6


(2017-10-24)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed multiple security vulnerabilities regarding Linux Kernel (CVE-2017-1000253, CVE-2017-1000364, CVE-2017-1000365, CVE-2017-1000370, CVE-2017-1000371).
  2. Fixed multiple security vulnerabilities regarding Bluetooth (CVE-2017-1000250, CVE-2017-1000251).
  3. Fixed multiple security vulnerabilities regarding WPA/WPA2 protocols for wireless connections (CVE-2017-13077, CVE-2017-13078, CVE-2017-13079, CVE-2017-13080, CVE-2017-13081, CVE-2017-13082, CVE-2017-13084, CVE-2017-13086, CVE-2017-13087, CVE-2017-13088).
  4. Fixed multiple security vulnerabilities regarding DNSmasq (CVE-2017-13704, CVE-2017-14491, CVE-2017-14495, CVE-2017-14496).
  5. Fixed multiple security vulnerabilities regarding DHCPv6 Server (CVE-2017-14492, CVE-2017-14493, CVE-2017-14494).

Version: 6.0.3-8754 Update 5


(2017-09-26)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Enhanced the stability of RAID 5, RAID 6, and RAID F1.
  2. Enhanced file system stability by backporting Kernel updates.

Version: 6.0.3-8754 Update 4


(2017-07-19)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed a security vulnerability regarding Nginx (CVE-2017-7529).
  2. Fixed a security vulnerability regarding Samba (CVE-2017-11103).
  3. Fixed a security vulnerability regarding DSM login page (CVE-2017-9553).

Version: 6.0.3-8754 Update 3


(2017-07-10)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.

Fixed Issues

  1. Fixed a security vulnerability regarding FFmpeg (CVE-2017-9993).

Version: 6.0.3-8754 Update 2


(2017-06-20)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Enhanced the stability of iSCSI service.
  2. Enhanced compatibility of XenServer for CHAP Discovery.

Version: 6.0.3-8754 Update 1


(2017-05-26)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.

Fixed Issues

  1. Fixed a security vulnerability regarding samba service (CVE-2017-7494).

Version: 6.0.2-8575 Update 5


(2017-04-19)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed several security vulnerabilities regarding Linux kernel (CVE-2016-10229).

Version: 6.0.2-8575 Update 4


(2017-04-11)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.

Fixed Issues

  1. Fixed an issue where the data in Office and Note Station might be deleted when Synology NAS is removed from LDAP/AD domains.

Version: 6.0.2-8575 Update 3


(2017-01-18)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Enhanced the stability of Btrfs file system after an abnormal shutdown.
  2. Enhanced system stability when connecting via the SMB protocol.
  3. Enhanced the stability of Synology E10G15-F1.
  4. Fixed a security vulnerability regarding PHPMailer (CVE-2017-5223).

Version: 6.0.2-8575 Update 2


(2017-01-11)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Enhanced stability of Synology Expansion Unit RX1217sas and RX2417sas.
  2. Enhanced system stability in a high loading enviornment.
  3. Fixed a security vulnerability regarding PHPMailer(CVE-2016-10033,CVE-2016-10045 ).

Version: 6.0.2-8575 Update 1


(2016-12-22)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Enhanced the performance of advanced LUN for certain workloads.
  2. Enhanced Surveillance Station responsiveness on Btrfs file system.
  3. Enhanced the stability of RAID 5.
  4. Optimized CPU usage of Resource Monitor.
  5. Refined the mechanism for reporting abnormal system fan behavior to avoid false alarms.
  6. Fixed the compatibility issue of Ethernet adapter E10G15-F1.
  7. Fixed a security vulnerability regarding ImageMagick: CVE-2016-8707
  8. Fixed a security vulnerability regarding Linux kernel: CVE-2016-8655.
  9. Fixed an issue where DSM might fail to access the internet when IPv6 Gateway address is manually set.
  10. Fixed an issue where new snapshots could not be taken due to snapshot count miscalculation.
  11. Fixed several security vulnerabilities regarding NTP module (CVE-2016-7426, CVE-2016-7427, CVE-2016-7428, CVE-2016-7429, CVE-2016-7431, CVE-2016-7433, CVE-2016-7434, CVE-2016-9310, CVE-2016-9311, CVE-2016-9312).
  12. Fixed an issue where CMS might cause excessive CPU usage.
  13. Fixed an issue where the DNS service of IPv6 might reconnect frequently.
  14. Fixed an issue where the conversion from RAID 1 to RAID 5 might fail.

Version: 6.0.2-8451 Update 11


(2017-04-19)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed several security vulnerabilities regarding Linux kernel (CVE-2016-10229).

Version: 6.0.2-8451 Update 10


(2017-04-11)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.

Fixed Issues

  1. Fixed an issue where the data in Office and Note Station might be deleted when Synology NAS is removed from LDAP/AD domains.

Version: 6.0.2-8451 Update 9


(2017-01-18)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Enhanced the stability of Btrfs file system after an abnormal shutdown.
  2. Enhanced the stability of iSCSI service.
  3. Enhanced system stability when connecting via the SMB protocol.
  4. Enhanced the stability of Synology E10G15-F1.
  5. Fixed a security vulnerability regarding PHPMailer (CVE-2017-5223). Upgrading Photo Station to version 6.6.3 or above is required.

Version: 6.0.2-8451 Update 8


(2017-01-11)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Enhanced SHA stability by optimizing CPU usage priority on the running process.
  2. Enhanced the stability of a Btrfs volume with SSD cache.
  3. IPv6 is now supported by ICMP rule in Firewall.
  4. Fixed a security vulnerability regarding PHPMailer (CVE-2016-10033,CVE-2016-10045 )。
  5. Fixed a security vulnerability regarding Linux Kernel (CVE-2016-7117).
  6. Fixed an issue where VPN server might restart unexpectedly.

Version: 6.0.2-8451 Update 7


(2016-12-22)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Enhanced the stability of RAID 5.

Version: 6.0.2-8451 Update 6


(2016-12-09)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed an issue where under certain circumstances, new snapshots could not be taken.
  2. Fixed an issue where DSM might fail to access the internet when IPv6 Gateway address is manually set.
  3. Fixed a security vulnerability regarding Linux kernel: CVE-2016-8655.
  4. Fixed a security vulnerability regarding ImageMagick: CVE-2016-8707

Version: 6.0.2-8451 Update 5


(2016-11-29)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.

Fixed Issues

  1. Enhanced Surveillance Station responsiveness on Btrfs file system.
  2. Refined the mechanism for reporting abnormal system fan behavior to avoid false alarms.
  3. Improved 4K sequential read IOPS on Advanced LUNs.

  4. Optimized CPU usage of Resource Monitor.

  5. Fixed several security vulnerabilities regarding NTP module (CVE-2016-7426, CVE-2016-7427, CVE-2016-7428, CVE-2016-7429, CVE-2016-7431, CVE-2016-7433, CVE-2016-7434, CVE-2016-9310, CVE-2016-9311, CVE-2016-9312).
  6. Fixed an issue where CMS might cause excessive CPU usage.
  7. Fixed an issue where file names in certain languages might not display correctly when searching for files on specific models (DS413 and DS213+) with Mac Finder via AFP.
  8. Fixed an issue where the DNS service of IPv6 might reconnect frequently.

Version: 6.0.2-8451 Update 4


(2016-11-17)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.

Fixed Issues

  1. Fixed an issue where hot spare might not be properly activated.
  2. Fixed an issue where false alarm might be triggered in Security Advisor.
  3. Fixed an issue where the information of external storage devices and SSDs might be incorrectly displayed.

Version: 6.0.2-8451 Update 3


(2016-11-10)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.

Fixed Issues

  1. Enhanced performance of resolving group list for domain users belonging to large domain groups.
  2. Enhanced stability during file-copy operation via NFS protocol.
  3. Enhanced server responsiveness on Btrfs file system.
  4. Upgraded cURL to 7.50.3 as a cumulative security update and fixed multiple security vulnerabilities. (CVE-2016-8615, CVE-2016-8616, CVE-2016-8617, CVE-2016-8618, CVE-2016-8619, CVE-2016-8620, CVE-2016-8621, CVE-2016-8622, CVE-2016-8623, CVE-2016-8624, CVE-2016-8625)
  5. Fixed an issue where applications might fail to save files on macOS 10.12.x via AFP.
  6. Fixed an issue where irrelevant data of MailPlus Server or Mail Server might have been collected in logs.
  7. Fixed a security vulnerability regarding Linux kernel: CVE-2016-5195.
  8. Fixed a issue where users may fail to launch Chat and Office in a Safari browser.

Version: 6.0.2-8451 Update 2


(2016-10-06)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.

Fixed Issues

  1. Fixed an issue where SHA may fail to set SNMP UPS.
  2. Fixed an issue where Synology E10G15-F1 NIC may disconnect under certain circumstances.
  3. Fixed an issue where Full File Clone via VMware VAAI could cause NFS protocol to act abnormally under certain circumstances.
  4. Fixed an issue where the page at Control Pannel > Domain/LDAP does not respond.
  5. Fixed an issue where Snapshot Replication could not open normally in certain timezones.
  6. Fixed multiple security vulnerabilities regarding curl module (CVE-2016-5419, CVE-2016-5420, CVE-2016-5421).
  7. Upgraded OpenSSL to 1.0.2j to address multiple vulnerabilities (CVE-2016-6304, CVE-2016-2183, CVE-2016-6303, CVE-2016-6302, CVE-2016-2182, CVE-2016-2180, CVE-2016-2177, CVE-2016-2178, CVE-2016-2179, CVE-2016-2181, CVE-2016-6306 and CVE-2016-7052).
  8. Fixed an issue where system resources are not released properly after QuickConnect is enabled.
  9. Fixed an issue where file indexing is not triggered when files are uploaded through Samba protocol.

Version: 6.0.2-8451 Update 1


(2016-09-02)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.

Fixed Issues

  1. Improved the stability of Btrfs file system when abnormal shutdown occurs under high system loads.
  2. Fixed an issue where certain browsers and mobile apps might fail to connect to Synology NAS via HTTPS when HTTP/2 is enabled.
  3. Fixed an issue where users might fail to log in after restoring system configurations from previous versions in the latest DSM 6.0.2.

Version: 6.0.1-7393 Update 2


(2016-07-21)
  1. Applied the workaround to mitigate a security vulnerability of libupnp module (CVE-2016-6255).

    Note: A manual reboot is required for systems using Wi-Fi dongles.

Version: 6.0.1-7393 Update 1


(2016-06-21)
  1. Improved system stability when Synology NAS serves as a VPN server.
  2. Fixed several security vulnerabilities regarding NTP module (CVE-2016-4957, CVE-2016-4953, CVE-2016-4954, CVE-2016-4955, and CVE-2016-4956).
  3. Fixed an issue where DSM user interface might become unresponsive under normal operation.
  4. Fixed an issue where shared links created by LDAP users in DSM 5.2 might be unavailable after upgrading to DSM 6.0.
  5. Fixed an issue where folders cannot be uploaded to File Station.
  6. Fixed an issue where encrypted replication tasks cannot be resumed or completed when the sync process has been interrupted.
  7. Fixed an issue where log files could not be rotated on the passive server in the HA cluster, which could cause the upgrade failure on the passive server.
  8. Enhanced the process of shared folder encryption.

Version: 6.0-7321 Update 7


(2016-05-13)
  1. Improved the stability of license import for MailPlus Server and Docker DSM under poor network environment.

    Note: To know the models supported for MailPlus Server and Docker, please refer to Add-on Packages.

Version: 6.0-7321 Update 6


(2016-05-06)
  1. Applied the enhanced official workaround to mitigate multiple vulnerabilities of ImageMagick module (CVE-2016-3714, CVE-2016-3715, CVE-2016-3716, CVE-2016-3717, CVE-2016-3718).

Version: 6.0-7321 Update 5


(2016-05-06)
  1. Upgraded NTP to 4.2.8p7 to address multiple vulnerabilities (CVE-2016-1547, CVE-2016-1548, CVE-2016-1549, CVE-2016-1550, CVE-2016-1551, CVE-2016-2516, CVE-2016-2517, CVE-2016-2518, CVE-2016-2519).
  2. Upgraded OpenSSL to 1.0.2h to address multiple vulnerabilities (CVE-2016-2105, CVE-2016-2106, CVE-2016-2107, CVE-2016-2108, CVE-2016-2109, CVE-2016-2176).
  3. Enhanced the compatibility of Synology NAS with Hyper-V exports.
  4. Fixed an issue where adding ACL permissions or changing file owner would fail in Windows via SMB.
  5. Fixed an issue where iSCSI ACL could not access LUNs properly.
  6. Fixed an issue where editing shared folders would fail when shared folder netlogn/sysvol existed.
  7. Fixed an issue where channel scan could not be performed on entry Marvell models with certain DVB-T dongles.
  8. Fixed an issue where LUNs could not be backed up to an external SATA device.
  9. Fixed an issue where iSCSI service might cause a system crash in a VMware environment under heavy load.
  10. Before the official patch is released, workaround is applied to mitigate multiple vulnerabilities of ImageMagick module (CVE-2016-3714, CVE-2016-3715, CVE-2016-3716, CVE-2016-3717, CVE-2016-3718).

Version: 6.0-7321 Update 4


(2016-04-27)
  1. Improved the stability of system boot up on DS716+ and DS216+.

Version: 6.0-7321 Update 3


(2016-04-22)
  1. Fixed multiple issues that might cause the iSCSI service to hang under heavy loading and performing VMware commands.
  2. Fixed an issue where the file created time was not correctly set.
  3. Fixed an issue where LUN backup tasks of Hyper Backup could not be completed due to insufficient disk space after upgrade to DSM 6.0.
  4. Fixed multiple vulnerabilities regarding the Samba module (CVE-2016-2118, CVE-2015-5370, CVE-2016-2110, CVE-2016-2111, CVE-2016-2112, CVE-2016-2113, CVE-2016-2114, CVE-2016-2115).
  5. Fixed an issue where changing the VLAN configurations might cause certain packages to operate abnormally.
  6. Fixed an issue where configurations at Control Panel > Network > Network Interface could not be edited if IPv6 was configured before upgrade to DSM 6.0 from DSM 5.2.

Version: 6.0-7321 Update 2


(2016-04-18)
  1. Fixed an issue where DSM 6.0-7321 Update 1 could not be normally installed with Auto-Update.

    Note: This update does not require system reboot.

Version: 6.0-7321 Update 1


(2016-04-15)
  1. Improved the stability when connecting via AFP protocol.
  2. Fixed a security vulnerability regarding Samba file service (CVE-2016-2118, also known as Badlock).
  3. Fixed an issue where a false-alarm warning about unexpected file changes occurs when saving files in Office Excel 2003.
  4. Fixed an issue where Docker DSM might be terminated even when valid licenses are imported.
  5. Fixed multiple issues that might cause iSCSI service to hang under heavy loading and performing Vmware VAAI commands.
  6. Fixed an issue in which the configuration change of VLAN could result in abnormal functionality of certain packages. e.g. Surveillance Station
  7. Fixed an issue where the DSM welcome title and message will be reset to default if users set it to blank.

    Note: This update does not require system reboot.

Version: 5.2-5967 Update 9


(2019-01-02)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed a security vulnerability regarding Netatalk (Synology-SA-18:62).
  2. Fixed a security vulnerability (Synology-SA-18:64).

Version: 5.2-5967 Update 8


(2018-06-25)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed multiple security vulnerabilities (Synology-SA-18:33).

Version: 5.2-5967 Update 7


(2018-05-23)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. Updated Privacy Statement

Fixed Issues

  1. Fixed a security vulnerability regarding Wget (CVE-2018-0494).

Version: 5.2-5967 Update 6


(2017-11-15)

Fixed Issues

  1. Fixed a security vulnerability regarding File Station.

Version: 5.2-5967 Update 5


(2017-11-08)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed multiple security vulnerabilities regarding Linux kernel (CVE-2017-1000253, CVE-2017-1000364, CVE-2017-1000365, CVE-2017-1000370, CVE-2017-1000371).
  2. Fixed multiple security vulnerabilities regarding KRACK, an implementation flaw in WPA2 protocol (CVE-2017-13077, CVE-2017-13078, CVE-2017-13079, CVE-2017-13080, CVE-2017-13081, CVE-2017-13082, CVE-2017-13084, CVE-2017-13086, CVE-2017-13087, CVE-2017-13088).
  3. Fixed multiple security vulnerabilities regarding BlueBorne (CVE-2017-1000250, CVE-2017-1000251).
  4. Fixed a security vulnerability regarding libsoup (CVE-2017-2885).
  5. Fixed multiple security vulnerabilities regarding OpenSSL (CVE-2016-2177, CVE-2016-2178, CVE-2016-2179, CVE-2016-2180, CVE-2016-2181, CVE-2016-2182, CVE-2016-6302, CVE-2016-6303, CVE-2016-6304, CVE-2016-6306).
  6. Fixed a security vulnerability regarding executing S.M.A.R.T. test.

Version: 5.2-5967 Update 4


(2017-07-19)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.

Fixed Issues

  1. Fixed a security vulnerability regarding DSM login page (CVE-2017-9553).
  2. Fixed a security vulnerability regarding Samba (CVE-2017-11103).

Version: 5.2-5967 Update 3


(2017-06-01)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.

Fixed Issues

  1. Fixed a security vulnerability regarding samba service (CVE-2017-7494).

Version: 5.2-5967 Update 2


(2016-07-27)
  1. Applied the workaround to mitigate a security vulnerability of libupnp module (CVE-2016-6255).

Version: 5.2-5967 Update 1


(2016-05-11)
  1. Upgraded NTP to 4.2.8p7 to address multiple vulnerabilities (CVE-2016-1547, CVE-2016-1548, CVE-2016-1549, CVE-2016-1550, CVE-2016-1551, CVE-2016-2516, CVE-2016-2517, CVE-2016-2518, CVE-2016-2519).
  2. Upgraded OpenSSL to 1.0.1t to address multiple vulnerabilities (CVE-2016-2105, CVE-2016-2106, CVE-2016-2107, CVE-2016-2108, CVE-2016-2109, CVE-2016-2176).
  3. Before the official patch is released, workaround is applied to mitigate multiple vulnerabilities of ImageMagick module (CVE-2016-3714, CVE-2016-3715, CVE-2016-3716, CVE-2016-3717, CVE-2016-3718).

Version: 5.2.2-5644 Update 8


(2016-04-13)
  1. Fixed a security vulnerability regarding Samba file service (CVE-2016-2118, also known as Badlock).

    Note: This update does not require system reboot.

Version: 5.2-5644 Update 6


(2016-03-09)

Fixed Issues

  1. Enhanced the stability of Btrfs file system.

Version: 5.2-5644 Update 5


(2016-02-19)

Fixed Issues

  1. Updated Firewall filter policy to fix a security vulnerability caused by stack-based buffer overflow (CVE-2015-7547). This fix may impact read/write performance on the following models by no more than 15%, for which Synology is working on an enhancement in the future release.
    • 16-series: DS216se
    • 15-series: DS115j
    • 14-series: EDS14, DS114, DS214se, RS214, DS414slim
    • 13-series: DS213j, DS213air, DS213, DS413j
    • 12-series: DS112, DS112+, DS112j, DS212, DS212j, DS212+, RS212, RS812
    • 11-series: DS111, DS211, DS211+, DS211j, DS411, DS411slim, DS411j, RS411
    • 10-series: DS110j, DS210j, DS410j

Version: 5.2-5644 Update 4


(2016-02-04)

Fixed Issues

  1. Fixed an issue where some video formats cannot be transcoded on DS216play.

Version: 5.2-5644 Update 3


(2016-01-22)

Fixed Issues

  1. Fixed two security vulnerabilities of FFmpeg modules (CVE-2016-1897 and CVE-2016-1898).
  2. Fixed a security vulnerability related to Linux Kernel (CVE-2016-0728).
  3. Upgraded OpenSSL to 1.0.1q to address multiple vulnerabilities (CVE-2015-3194, CVE-2015-3195 and CVE-2015-3196).
  4. Fixed two security vulnerabilities of OpenSSH module (CVE-2016-0777 and CVE-2016-0778).
  5. Improved algorithm to enhance the security level for setting up port forwarding in DSM.
  6. Fixed two security vulnerabilities to prevent cross-site scripting (XSS) attacks.
  7. Fixed a security vulnerability related to GnuTLS (CVE-2015-7575).
  8. To enhance the security level, auto block will be enabled after this update.
  9. Enhanced network stability when port forwarding is configured.
  10. Upgraded PHP to 5.5.31.

Version: 5.2-5644 Update 2


(2015-12-02)

Fixed Issues

  1. Improved the compatibility of WD Red hard drives with Synology expansion units.
  2. Improved the stability when running memory test in Synology Assistant on XS/XS+ models.
  3. Fixed an issue where the passive server in the high-availability cluster might take up too much space in the system partition when storing system statistics.

Version: 5.2-5644 Update 1


(2015-11-17)

Fixed Issues

  1. To enhance the security level, Synology's default administrator account "admin" with the blank password will no longer be allowed and will be disabled after this update. It is also highly recommended that you increase the password strength of all accounts belonging to the administrators group.
  2. Enforced a minimal password length of six characters for the default admin account.
  3. Improved general stability when numerous application privilege rules are applied to individual users/groups.

Version: 5.2-5620 Update 1


(2015-10-15)

Fixed Issues

  1. Fixed an issue where Security Advisor on DS216play reported a false alarm due to errors in retrieving its database.

Version: 5.2-5592 Update 4


(2015-09-07)

Fixed Issues

  1. Restored the mandatory file (/usr/syno/bin/zip) that has been removed due to Antivirus Essential's false-positive detection.
  2. Upgraded Apache HTTP Server to 2.2.31 to address one security vulnerability (CVE-2015-3183).
  3. Upgraded PHP to 5.5.28 to address two security vulnerabilities (CVE-2015-5589 and CVE-2015-5590).
  4. Fixed two security vulnerabilities to prevent cross-site scripting (XSS) attacks.
  5. Fixed a security vulnerability of PCRE library (ASA-201508-11).
  6. Fixed an issue where DSM cannot be updated after system recovery on certain models (DS2415+, DS1815+, DS1515+, RS815RP+, RS815+, DS415+).

Version: 5.2-5592 Update 3


(2015-08-20)

Fixed Issues

  1. Optimized fan settings for DS715 and DS215+.
  2. Enhanced compatibility with hard drives.
  3. Improved the compatibility with UPS devices.
  4. Fixed an issue where the NTP (Network Time Protocol) service became temporarily unavailable after manual calibration.
  5. Fixed an issue where uploading files could fail with non-admin accounts on EDS14.

Version: 5.2-5592 Update 2


(2015-07-30)

Fixed Issues

  1. Fixed an issue where DS1515 would be unable to shut down properly.
  2. Enhanced RAID reliability when repairing volumes from degraded state.
  3. Improved the stability of LUN backup.
  4. Improved memory usage for Btrfs file system.
  5. Improved the compatibility with UPS devices.
  6. Improved the stability when repairing the passive server of a high-availability cluster.

Version: 5.2-5592 Update 1


(2015-07-15)

Fixed Issues

  1. Fixed an issue where applied settings could not be correctly displayed when changes were made at Group > Applications.
  2. Upgraded OpenSSL to 1.0.1p to address a security vulnerability (CVE-2015-1793).

Version: 5.2-5565 Update 2


(2015-06-09)

Important Information

  1. A thorough investigation has been done, and it is confirmed that DSM and its related packages are not impacted by the LogJam vulnerability because of the way Synology implements OpenSSL in our system.

Fixed Issues

  1. Improved the stability of SHR expansion.
  2. Improved the stability of SMB transfer when the system is being accessed by an excessive number of clients.
  3. Fixed multiple kernel vulnerabilities (CVE-2014-3122, CVE-2014-3153, CVE-2014-0196, and CVE-2014-4699).
  4. Fixed an issue where CPU usage could remain high when widget is enabled.
  5. Fixed an issue where LDAP users could fail to log in to DSM.
  6. Fixed an issue where files could not be downloaded via Windows' terminal.
  7. Fixed an issue where system cannot enter hibernation.
  8. Fixed an issue where some folders with non-English names would become inaccessible via SMB.
  9. Fixed an issue where volumes/iSCSI LUN cannot be displayed after the Synology High Availability system resumes from safe mode with UPS connected.

Version: 5.2-5565 Update 1


(2015-05-21)

Fixed Issues

  1. Fixed an issue where users could fail to join domain when the domain admin account contains specific characters.
  2. Improved the compatibility with USB devices.
  3. Fixed a security vulnerability to prevent cross-site scripting attacks (XSS).
  4. Upgraded PHP to 5.5.25 to address multiple security vulnerabilities (CVE-2006-7243, CVE-2015-4021, CVE-2015-4022, CVE-2015-4024, CVE-2015-4025, CVE-2015-4026).
  5. Improved the compatibility with 3rd party DTV applications.
  6. Fixed an issue where SSD cache volume information may not be displayed correctly in Resource Monitor.
  7. Fixed an issue where users with guest accounts would be unable to create new files or folders via SMB protocol.

Version: 5.1-5022 Update 5


(2015-04-23)

Fixed Issues

  1. Fixed a vulnerability that could allow unauthorized access to the shared folders via SMB protocol.

Version: 5.1-5022 Update 4


(2015-03-21)

Fixed Issues

  1. Upgraded OpenSSL to 1.0.1m to address multiple vulnerabilities (CVE-2015-0204, CVE-2015-0286, CVE-2015-0287, CVE-2015-0289, CVE-2015-0292, CVE-2015-0293, CVE-2015-0209, and CVE-2015-0288).

Version: 5.1-5022 Update 3


(2015-03-02)

Fixed Issues

  1. Fixed a security vulnerability related to SAMBA (CVE-2015-0240).

Version: 5.1-5022 Update 2


(2015-02-05)

Fixed Issues

  1. Implemented fixes related to the GHOST vulnerability (CVE-2015-0235).
  2. Upgraded PHP to 5.5.21 to address multiple vulnerabilities (CVE-2015-0231, CVE-2014-9427, and CVE-2015-0232).

Version: 5.1-5022 Update 1


(2015-01-22)

Fixed Issues

  1. Improved the stability of SHR expansion.
  2. Improved stability of iSCSI transfer.
  3. Upgraded OpenSSL to 1.0.1k to address multiple vulnerabilities (CVE-2014-3571, CVE-2015-0206, CVE-2014-3569, CVE-2014-3572, CVE-2015-0204, CVE-2015-0205, CVE-2014-8275, and CVE-2014-3570).
  4. Upgraded PHP to 5.5.20 to address one vulnerability (CVE-2014-8142).

Version: 5.1-5021 Update 2


(2014-12-27)

Fixed Issues

  1. Fixed an issue where the failure of photo indexing may occur when usernames contain special characters.
  2. Upgraded BIOS to enhance SATA compatibility on RS3614xs and RS3614RPxs models.
  3. Enhanced stability on file-copying to USB drives.
  4. Upgraded NTP to version 4.2.8 to address multiple vulnerabilities (CVE-2014-9293, CVE-2014-9294, CVE-2014-9295, and CVE-2014-9296).
  5. Enhanced the stability of QuickConnect connection to Surveillance Station.

Version: 5.1-5021 Update 1


(2014-12-18)

Fixed Issues

  1. Fixed an issue where 10GbE interface on DS2015xs could not function normally.

Version: 5.1-5004 Update 2


(2014-11-29)

Fixed Issues

  1. Fixed an issue that could cause a false alarm in Security Advisor after upgrading to DSM 5.1-5004 Update 1.
  2. Fixed an issue where Firewall rules did not apply correctly.
  3. Fixed a security issue that could allow remote attackers to cause a denial of service via a crafted ECC certificate or certificate signing requests (CVE-2014-8564).
  4. Enhanced HA stability on system updates.
  5. Fixed an issue where DS213+ and DS413 could fail to execute scheduled tasks after entering system hibernation.
  6. Fixed the send-mail function in PHP.
  7. Fixed an issue where packages failed to start or users were unable to install packages on entry models.
  8. Fixed an issue where CGI cannot be executed in Web Station.
  9. Fixed an issue where DSM mobile was not correctly displayed on Chrome v39 on mobile devices.
  10. Fixed an issue where installation of digitally-signed packages could fail on EDS14.
  11. Improved QuickConnect mechanism on complex network environment.
  12. Fixed an issue where scheduled power-off function could fail to execute when DSM Auto Update was enabled.
  13. Fixed an issue where false warning could display in System Health on Play-series.
  14. Fixed "Customize PHP open_basedir" function to accept directories that have not been created.
  15. Enhanced security on SSH/Telnet connections.
  16. Fixed an issue where EDS14 could fail to apply updates.

Version: 5.0-4627 Update 2


(2014-11-12)

Fixed Issues

  1. Enhanced SSL 3.0 handling mechanism for POODLE vulnerability.
  2. Implemented fixes to address multiple OpenSSL vulnerabilities (CVE-2014-3513, CVE-2014-3566, CVE-2014-3567, CVE-2014-3568).
  3. Fixed a security vulnerability regarding Wget that could allow remote FTP servers to write arbitrary files, and consequently execute arbitrary code (CVE-2014-4877).
  4. Improved compatibility with Zoneedit DDNS provider to handle unexpected Javascript execution.

Version: 5.0-4627 Update 1


(2014-10-29)

Fixed Issues

  1. Fixed an issue where the name of shared folders could be incorrectly displayed, making data inaccessible when connecting via WebDAV protocol.

Version: 5.0-4528 Update 2


(2014-11-12)

Fixed Issues

  1. Enhanced SSL 3.0 handling mechanism for POODLE vulnerability.
  2. Fixed an issue where the passive server, after several abnormal shut-downs, could fail to switch over when the active server is down.
  3. Fixed an issue where systems with High Availability enabled could fail to start services after rebooting.
  4. Fixed an issue where volumes could crash with SSD read/write cache enabled during volume expansion.
  5. Fixed an issue where deletion of an advanced file LUN could not release allocated space.
  6. Fixed a security vulnerability regarding Wget that could allow remote FTP servers to write arbitrary files, and consequently execute arbitrary code (CVE-2014-4877).
  7. Improved compatibility with Zoneedit DDNS provider to handle unexpected Javascript execution.
  8. Implemented fixes to address multiple OpenSSL vulnerabilities (CVE-2014-3513, CVE-2014-3566, CVE-2014-3567, CVE-2014-3568).
  9. Improved compatibility with USB drives on certain high-end models.

Version: 5.0-4528 Update 1


(2014-10-29)

Fixed Issues

  1. Fixed an issue that could cause DSM to become inaccessible after a system upgrade with a certain type of hard drive.
  2. Fixed an issue where the name of shared folders could be incorrectly displayed, making data inaccessible when connecting via WebDAV protocol.

Version: 5.0-4519 Update 1


(2014-09-29)

Fixed Issues

  1. Fixed a potential risk on Bash command shell (CVE-2014-6271 and CVE-2014-7169).

Version: 5.0-4493 Update 7


(2014-09-29)

Fixed Issues

  1. Fixed a potential risk on Bash command shell (CVE-2014-6271 and CVE-2014-7169).

Version: 5.0-4493 Update 6


(2014-09-18)

Fixed Issues

  1. Fixed an issue where DS414j could fail to start after system upgrade.

Version: 5.0-4493 Update 5


(2014-09-10)

Improvement

  1. Improve the stability of file copy to encrypted shared folders.

Fixed Issues

  1. Fixed a vulnerability that could allow servers to accept unauthorized access.

Version: 5.0-4493 Update 4


(2014-08-26)

Fixed Issues

  1. Upgraded OpenSSL to Version 1.0.1i to fix multiple security issues (CVE-2014-3505, CVE-2014-3506, CVE-2014-3507, CVE-2014-3508, CVE-2014-3509, CVE-2014-3510, CVE-2014-3511, CVE-2014-3512, and CVE-2014-5139).
  2. Implemented fixes for Kerberos 5 to address multiple security issues that allow remote attackers to cause a denial of service (CVE-2012-1013, CVE-2014-4341, CVE-2014-4342, CVE-2014-4344).
  3. Fixed an issue where files with ACL attributes could become inaccessible after being loaded in large batches when DiskStation acts as an NFS server.
  4. Fixed an issue where the restore might not be successful when containing multiple subfolders in Time Backup.
  5. Fixed an issue where DHCP server service does not map to the correct VLAN interface if the service started before VLAN is enabled.

Version: 5.0-4493 Update 3


(2014-07-24)

Improvements

  1. Improved the stability of volume expansion.

Fixed Issues

  1. Fixed two SAMBA vulnerabilities which allowed remote attackers to use the weaknesses to perform DoS attacks (CVE-2014-0244, CVE-2014-3493).
  2. Fixed an issue which prevented users from being able to log into DSM after completing QuickConnect Wizard after a fresh DSM installation.
  3. Fixed an issue causing slow response time in DSM on the early version of RS10613xs+ when too many concurrent connections were active.

Version: 5.0-4493 Update 2


(2014-06-27)

Improvements

  1. Enabled SSD Read/Write Cache function on RS3614(RP)xs.

Fixed Issues

  1. Fixed several issues which occurred when managing EDS14 via CMS service.
  2. Fixed an issue that could cause High Availability to be unable to function properly or fail to set up after DSM upgrades.

Version: 5.0-4493 Update 1


(2014-06-11)

Fixed Issues

  1. Upgraded OpenSSL to Version 1.0.1h to fix several security issues. (CVE-2014-0224, CVE-2014-0221, CVE-2014-0195, CVE-2014-0198, CVE-2010-5298, and CVE-2014-3470)

Version: 5.0-4458 Update 2


(2014-04-10)

Change Log

  1. Fixed a critical security issue of OpenSSL (heartbleed) to prevent secret keys from being compromised. (CVE-2014-0160)
  2. Enhanced the reliability of moving shared folders to different volumes.
  3. Fixed a security issue causing encrypted shared folders to be mounted automatically after resetting the admin's password by pressing the reset button.
  4. Fixed an issue causing system services and applications to possibly stop working.
  5. Fixed an issue causing files indexing in Media Library to possibly stop working.
  6. Fixed an issue preventing users from logging into FTP service when Personal Website was enabled and the homes shared folder was located on an ext3 volume.
  7. Fixed an issue causing hard drives to not hibernate when SSD read-write cache was enabled.

Version: 5.0-4458 Update 1


(2014-03-26)

Change Log

  1. Fixed a security issue to prevent cross-site scripting attacks (XSS).
  2. Fixed an issue where encrypted shares could not be mounted on ext3 volumes.
  3. Fixed an issue where WMM QoS settings did not take effect normally.
  4. Fixed an issue where some USB ports were unusable in certain situations when a USB hub was connected.
  5. Fixed several issues related to USB external drives.
  6. Enhanced the stability of file transfers.
  7. Enhanced the compatibility of Multiple Version Backup when source folder contains device nodes.
  8. Enhanced the compatibility of WebDAV when using NetDrive.
  9. Changed the error reporting settings of Web Station.

Version: 4.3-3827 Update 8


(2014-09-29)

Fixed Issues

  1. Fixed a potential risk on Bash command shell (CVE-2014-6271 and CVE-2014-7169).

Version: 4.3-3827 Update 7


(2014-09-10)

Fixed Issues

  1. Fixed a vulnerability that could allow servers to accept unauthorized access.

Version: 4.3-3827 Update 6


(2014-08-26)

Fixed Issues

  1. Upgraded OpenSSL to Version 1.0.1i to fix multiple security issues (CVE-2014-3505, CVE-2014-3506, CVE-2014-3507, CVE-2014-3508, CVE-2014-3509, CVE-2014-3510, CVE-2014-3511, CVE-2014-3512, and CVE-2014-5139).
  2. Implemented fixes for Kerberos 5 to address multiple security issues that allow remote attackers to cause a denial of service (CVE-2012-1013, CVE-2014-4341, CVE-2014-4342, CVE-2014-4344).
  3. Updated to the last version of PHP 5.3, announced EOL by the official PHP development team, to address multiple security vulnerabilities (CVE-2014-3981, CVE-2014-3515, CVE-2013-6712, CVE-2014-0207, CVE-2014-0238, CVE-2014-0237, CVE-2014-4049).

Version: 4.3-3827 Update 5


(2014-07-24)

Improvements

  1. Improved the stability of volume expansion.

Version: 4.3-3827 Update 4


(2014-06-25)

Change Log

  1. Updated OpenSSL to version 1.0.1h to address several severe security issues. (CVE-2014-0224, CVE-2014-0221, CVE-2014-0195, CVE-2014-0198, CVE-2010-5298, and CVE-2014-3470)
  2. Fixed a security issue that allows attackers to avoid checking mechanism and execute unintended commands via Web script.

Version: 4.3-3827 Update 3


(2014-06-17)

Change Log

  1. Fixed an OpenSSL security issue that allows remote attackers to inject data across sessions or cause a denial of service attack via SSL connection in a multi-threaded environment. (CVE-2010-5298)
  2. Fixed an issue that caused DSM firewall rules to become ineffective after system upgrade.
  3. Fixed several stability issues on DS214play after system migration.

Version: 4.3-3827 Update 2


(2014-04-21)

Compatibility and Installation

DSM 4.3-3827 Update 2 can only be installed on Synology products running DSM 4.3-3827 via DSM Update. Please log in to DSM, go to Control Panel > DSM Update, click Update Settings and select Important Updates Only to see and install the update.

Change Log

  1. Fixed a critical security issue of OpenSSL (Heartbleed) to prevent secret keys from being compromised. (CVE-2014-0160)
  2. Fixed an issue causing the homes shared folder to become inaccessible after being moved to another volume.
  3. Fixed an issue allowing the basic information of Synology NAS devices to be obtained outside of the local network without authentication.
  4. Fixed password recovery e-mail to include the correct port number even when launched in Application Portal with customized ports.

Version: 4.3-3827 Update 1


(2014-03-18)

Change Log

  1. Fixed a security issue related to OpenSSL (CVE-2013-4353).
  2. Fixed security issues by upgrading PHP to version 5.3.28 (CVE-2013-4073, CVE-2013-6420).
  3. Fixed a security issue to prevent malicious attacks via NTP service (CVE-2013-5211).
  4. Fixed an issue where encrypted shared folders on ext3 volumes could not be mounted.
  5. Fixed an issue where Microsoft IIS (Internet Information Services) servers could not list files in shared folders on the DiskStation via SMB.
  6. Fixed an issue where files could not be listed using command line after SMB signing was enabled.
  7. Fixed an issue where data might not be correctly written to a degraded RAID 5 volume. (Applied to: DS213+, DS413, DS213, DS413j, DS213air, DS213j, DS212, DS212+, DS212j, RS212, RS812, DS112j, DS112, DS112+, RS411, DS411, DS411j, DS411slim, DS211+, DS211, DS211j, DS111, DS410, DS410j, DS210+, DS210j, DS110+, DS110j)
  8. Fixed an issue where shutting down or rebooting the DiskStation would fail when DDoS protection was enabled.
  9. Improved system stability when transferring files under heavy workloads.

Version: 4.3-3810 Update 4


(2014-01-09)

Compatibility and Installation

  1. DSM 4.3-3810 Update 4 can only be installed on Synology products running DSM 4.3-3810 via DSM Update. Please log in to DSM and go to Control Panel > DSM Update to install the update.

Improvements

  1. Enhanced the security of Windows File Services (SMB) to prevent unauthorized access. (CVE-2013-4408, CVE-2012-6150)
  2. Enhanced the compatibility of File Station with Internet Explorer 11.

Fixed Issues

  1. Data that was read from a volume would be incorrect when a crashed SSD cache was mounted on that volume.
  2. SNMP service would consume excessive memory when it was enabled.
  3. Synology NAS could not shut down or reboot when DoS protection was enabled.

Version: 4.3-3810 Update 3


(2013-12-19)

Compatibility and Installation

  1. DSM 4.3-3810 Update 3 can only be installed on Synology products running DSM 4.3-3810 via DSM Update. Please log in to DSM and go to Control Panel > DSM Update to install the update.

Change Log

  1. Enhanced system security to prevent unauthorized access via File Station, Windows File Service (SMB), WebDAV, DSM from HTTP and telnet.(CVE-2013-4475, CVE-2013-6987)
  2. Fixed an issue where backup tasks might be deleted when the external drive was ejected, if the external drive was selected as the backup destination.

Version: 4.3-3810 Update 2


(2013-12-05)

Compatibility and Installation

  1. DSM 4.3-3810 Update 2 can only be installed on Synology products running DSM 4.3-3810 via DSM Update. Please log in to DSM and go to Control Panel > DSM Update to install the update.

Fixed Issues

  1. Fixed an issue where the system partition will probably have insufficient free space if logs of Windows File Service is enabled.
  2. Fixed an issue where the system partition of DS213+ and DS413 will probably have insufficient free space in some network environments.
  3. Enhanced the stability of DS213+ and DS413 when they are connected with Synology expansion units.
  4. Enhanced the overall stability of DSM.

Version: 4.3-3810 Update 1


(2013-11-20)

Compatibility and Installation

  1. DSM 4.3-3810 Update 1 can only be installed on Synology products running DSM 4.3-3810 via DSM Update. Please log in to DSM and go to Control Panel > DSM Update to install the update.

Fixed Issues

  1. Fixed a system security issue to prevent unauthorized access via File Station. (CVE-2013-6955)
  2. Fixed a system security issue of Auto Block to prevent IP addresses from being improperly added to the Block List.
  3. Improved the compatibility of file uploading with Internet Explorer 11 in File Station.

Version: 4.3-3776 Update 3


(2013-10-15)

Compatibility and Installation

  1. DSM 4.3-3776 Update 3 can only be installed on Synology products running DSM 4.3-3776 via DSM Update. Please log in to DSM and go to Control Panel > DSM Update to install the update.

Fixed Issues

  1. Enhanced the security while logging in to DSM via telnet.
  2. Enhanced CalDAV compatibility with Calendar in iOS7.
  3. Enhanced the stability for ODX transferring.
  4. Enhanced the security of DSM operating system. (CVE-2013-2174, CVE-2013-1944, CVE-2012-4929)
  5. Optimized CPU usage when multiple HTTP connections are established to the same Synology NAS.
  6. Fixed an issue where downloading a whole folder may fail in Internet Explorer.
  7. Fixed an issue where the banner of Photo Viewer and Video Viewer may be hidden if Remove Banner in Control Panel > Application Portal > Options is selected.
  8. Fixed an issue where Synology NAS may not be able to hibernate when Audio Station is running.
  9. All the fixes that have been delivered in DSM 4.3-3776 Update 1 and Update 2 are included in this update.

Version: 4.3-3776 Update 2


(2013-09-26)

Compatibility and Installation

  1. DSM 4.3-3776 Update 2 can only be installed on Synology products running DSM 4.3-3776 via DSM Update. Please log in to DSM and go to Control Panel > DSM Update to install the update.

Fixed Issues

  1. Enhanced the security of DSM operating system.
  2. Fixed an issue where thumbnails may not be generated correctly.
  3. All of the fixes that have been delivered in DSM 4.3-3776 Update 1 are included in this update.

Version: 4.3-3776 Update 1


(2013-09-17)

Compatibility and Installation

  1. DSM 4.3-3776-1 can only be installed on Synology products running DSM 4.3-3776 via DSM Update. Please log in to DSM and go to Control Panel > DSM Update to install the update.

Fixed Issues

  1. Enhanced the stability of iSCSI LUN and volumes.
  2. Enhanced the security of DSM operating system.
  3. Resolved a compatibility issue so that you can install Photo Station 5 on DSM 4.3.