CVE-2025-13392

High

Description

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).

SeverityHigh

CVSS8.1

Exploit probability—

ProductSynology Diskstation Manager

PublishedMay 27, 2026

First seenMay 27, 2026

Weakness typeCWE-754CWE-754

How to fix

Update

synology diskstation_manager7.2.2-72806-5 or later

Vendor advisories

synology.com/en-global/security/advisory/Synology_SA_25_14

Affected products

Product	Affected versions	Fixed in
synology diskstation_manager	7.2.2 ≤ v < 7.2.2-72806-5, 7.3 ≤ v ≤ 7.3.1-86003-1	7.2.2-72806-5

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