Synology DSM Update Version 7.3.1-86003 Update 1

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Update Summary

Synology DSM 7.3.1-86003 Update 1 (2025-11-18) fixes a security vulnerability, referenced as Synology-SA-25:14. The update restarts the device and may be offered gradually by region.

Update Details

Security

  • Fixed a security vulnerability: Synology-SA-25:14.

Hints

  • The update may not be shown automatically yet because rollout is regional and gradual.
  • Manual update is available if you want to install this version immediately.
  • Installing this update will restart the device.
Product Information

Vendor: Synology

Product: DSM

Version: 7.3.1-86003 Update 1

Release date: Nov 18, 2025

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