Is CVE-2026-16550 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-16550 being exploited in the wild.

How severe is CVE-2026-16550?

Medium severity, with a CVSS score of 6.5, published 12 November 2026.

Which products and versions are affected?

Synology DiskStation Manager before 7.3.2-86009-5 and 7.4.1-90080-1.

Is there a fix for CVE-2026-16550?

Yes: fixed in DSM 7.3.2-86009-5, DSM 7.4.1-90080-1. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-16550 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2026-16550?

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.

CVE-2026-16550: Synology DiskStation Manager Media Parser path traversal

CVE-2026-16550 · Severity: medium · CVSS 6.5 · Published 2026-11-12

Synology DiskStation Manager is a network storage operating system that manages data on NAS devices. A flaw in its Media Parser allows authenticated users to write arbitrary files to the system, potentially enabling data destruction, malware deployment, or system compromise on affected NAS appliances.

Technologies: Synology DiskStation Manager. Vendors: Synology.

Quick answers

Is CVE-2026-16550 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-16550 being exploited in the wild.
How severe is CVE-2026-16550?: Medium severity, with a CVSS score of 6.5, published 12 November 2026.
Which products and versions are affected?: Synology DiskStation Manager before 7.3.2-86009-5 and 7.4.1-90080-1.
Is there a fix for CVE-2026-16550?: Yes: fixed in DSM 7.3.2-86009-5, DSM 7.4.1-90080-1. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-16550 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-16550?: 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 7.3.2-86009-5, DSM 7.4.1-90080-1

Technical details

An external control of file name or path vulnerability (CWE-73) in the Media Parser component allows authenticated remote users to write arbitrary files without integrity protection. The vulnerability requires valid user credentials but no administrative privileges. A successful exploit leads to arbitrary file write capability on the affected NAS system.

Affected products

Synology DiskStation Manager before 7.3.2-86009-5 and 7.4.1-90080-1

Timeline

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

References

https://www.synology.com/en-global/security/advisory/Synology_SA_26_18

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