CVE-2026-75785: Synology DiskStation Manager command injection in VPN API

CVE-2026-75785 · Severity: high · CVSS 7.2 · Published 2026-11-12

Synology DiskStation Manager is a network-attached storage operating system. An OS command injection vulnerability in the VPN API allows authenticated administrators to read, modify, or delete arbitrary files and disrupt service. This could enable data theft, system compromise, or destructive attacks on NAS devices.

Technologies: Synology DiskStation Manager. Vendors: Synology.

Quick answers

Is CVE-2026-75785 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-75785 being exploited in the wild.
How severe is CVE-2026-75785?
High severity, with a CVSS score of 7.2, published 12 November 2026.
Which products and versions are affected?
Synology DiskStation Manager 7.4.x before 7.4.1-90080-1; 7.3.x before 7.3.2-86009-5.
Is there a fix for CVE-2026-75785?
Yes: fixed in DSM 7.4.1-90080-1, 7.3.2-86009-5 or above. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-75785 attacked?
It is attacked over the network.
Am I affected by CVE-2026-75785?
Check whether you run Synology DiskStation Manager at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: DSM 7.4.1-90080-1, 7.3.2-86009-5 or above

Technical details

An improper neutralization of special elements in OS commands (CWE-78) in the VPN API allows remote authenticated users with administrator privileges to inject arbitrary commands. The vulnerability requires network access and admin-level authentication. Successful exploitation grants arbitrary file read/write and denial-of-service capabilities.

Affected products

  • Synology DiskStation Manager 7.4.x before 7.4.1-90080-1; 7.3.x before 7.3.2-86009-5

Timeline

  • 2026-11-10: disclosed
  • 2026-11-12: advisory

References

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