SB2025120506 - Improper Check for Unusual or Exceptional Conditions in Synology DiskStation Manager



SB2025120506 - Improper Check for Unusual or Exceptional Conditions in Synology DiskStation Manager

Published: December 5, 2025

Security Bulletin ID SB2025120506
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2025-13392)

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

CVSSv4: 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


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


Remediation

Install update from vendor's website.