CVE-2026-15201

MEDIUMCVSS 5.9/10

Last modified

CVE-2026-15201 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. An improper certificate validation vulnerability in the Support Form in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows man-in-the-middle attackers to read arbitrary files and write specific files during support form submission..

Description

An improper certificate validation vulnerability in the Support Form in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows man-in-the-middle attackers to read arbitrary files and write specific files during support form submission.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
SynologyDiskStation Manager (DSM)>= 7.4.1, < 7.4.1-90080-1; >= 7.3.2, < 7.3.2-86009-5; < 7.3.2

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-15201?
An improper certificate validation vulnerability in the Support Form in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows man-in-the-middle attackers to read arbitrary files and write specific files during support form submission.
How severe is CVE-2026-15201?
CVE-2026-15201 has a CVSS score of 5.9/10 (MEDIUM severity).
How do I fix CVE-2026-15201?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST