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High8.1Synology

High [CVE-2025-13392] Improper check for unusual or exceptional conditions vulnerability in SSO in Synology DiskStation Manager (DSM) before 7.2.2-72806-5 and 7.3.1-86003-1 (7.2.1-69057 is not affected) allows remote attackers to bypass authentication with prior knowledge of the distinguished name (DN)

This high-severity Synology advisory covers CVE-2025-13392 affecting DSM 7.3, DSM 7.2.2.

Synology-SA-25:14 Published May 27, 2026Updated by vendor Jun 17, 2026
Affected products & platforms
SynologyDSM (DiskStation Manager)
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Summary

Improper check for unusual or exceptional conditions vulnerability in SSO in Synology DiskStation Manager (DSM) before 7.2.2-72806-5 and 7.3.1-86003-1 (7.2.1-69057 is not affected) allows remote attackers to bypass authentication with prior knowledge of the distinguished name (DN).

Affected products named by the advisory: DSM 7.3; DSM 7.2.2.

Affected versions
  • before 7.2.2-72806-5

Official advisory · high-confidence parse· fetched 1 month ago·verify at source

Fixed versions
  • 7.2.2-72806-5

Official advisory · high-confidence parse· fetched 1 month ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Upgrade the affected Synology product to a fixed release: 7.3.1-86003-1, 7.2.2-72806-5.

Official advisory · high-confidence parse· fetched 1 month ago·verify at source

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