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OpenAdvisories
High · 7.5 CVE-2025-68404 EUVD-2025-211096GHSA-fggx-7qgp-qrc8

vcs_pentest Race Condition Authentication Bypass Vulnerability in QuRouter management interface

Published Oct 15, 2026 · Updated Oct 15, 2026 · Assigned by qnap

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

Affected products

VendorProductAffectedFixed
QNAP Systems QuRouter 2.6.x – < 2.6.4.001 2.6.4.001

References