CVE-2025-13392 Auth bypass in DiskStation Manager (DSM)
Remote attackers can bypass authentication in Synology DSM SSO if they know the distinguished name, requiring an upgrade to secure the system.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-13392?
CVE-2025-13392 is a high-severity authentication bypass vulnerability in Synology Diskstation Manager, published on 27 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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).
Weakness: CWE-754
Which versions are affected by CVE-2025-13392?
It affects 1 product.
Products include Synology Diskstation Manager.
How do I fix CVE-2025-13392?
No fix has been published for CVE-2025-13392 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-13392 being exploited?
There is no known exploitation of CVE-2025-13392 in the wild and no public exploit code.
Other vulnerabilities in Synology Diskstation Manager
Sources
Also known as GHSA-g37m-8w79-wgp5.