Improper Check for Unusual or Exceptional Conditions in DiskStation Manager (DSM) - CVE-2025-13392
Published: December 5, 2025
Vulnerability identifier: #VU119216
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-13392
CWE-ID: CWE-754
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Synology Inc.
Affected software:
DiskStation Manager (DSM)
DiskStation Manager (DSM)
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authentication on the target system.
The vulnerability exists due to improper error handling within the SYNOPAMSSO::samlAuth method. A remote attacker can bypass authentication on the system
How to mitigate CVE-2025-13392
Install updates from vendor's website.