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.
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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.
- DSM 7.3 before 7.3.1-86003-1
- DSM 7.2.2 before 7.2.2-72806-5
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
- 7.3.1-86003-1
- 7.2.2-72806-5
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
Mitigation checklist
- 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 3 days ago·verify at source
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