CVE-2025-68404 vcs_pentest Race Condition Authentication Bypass Vulnerability in QuRouter management interface
Remote attackers can exploit a race condition in the QuRouter management interface to bypass authentication and compromise system security.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-68404?
CVE-2025-68404 is a high-severity vulnerability in QNAP Systems Inc. QuRouter, published on 15 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A time-of-check time-of-use (toctou) race condition vulnerability has been reported to affect QuRouter. If exploited, the vulnerability could allow remote attackers to compromise the security of the system.
We have already fixed the vulnerability in the following version: QuRouter 2.6.4.001 and later
Weakness: CWE-367
Which versions are affected by CVE-2025-68404?
How do I fix CVE-2025-68404?
No fix has been published for CVE-2025-68404 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-68404 being exploited?
There is no known exploitation of CVE-2025-68404 in the wild and no public exploit code.
Sources
Also known as GHSA-fggx-7qgp-qrc8.