CVE-2025-68404
vcs_pentest Race Condition Authentication Bypass Vulnerability in QuRouter management interface
QNAP Systems Inc. QuRouter
CVSS
7.5HighExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.15%Chance of exploitation activity in the next 30 days, higher than 3% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 2.6.4.001QuRouterCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
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
Text from CVE List
Affected versions 1
- QuRouteraffected: 2.6.x before 2.6.4.001CVE List