CVE-2025-62843: QNAP Qurouter

Medium severity, CVSS 6.8. EPSS: 0.3% chance of exploitation in the next 30 days.

An improper restriction of communication channel to intended endpoints vulnerability has been reported to affect QHora. If an attacker gains physical access, they can then exploit the vulnerability to gain the privileges that were intended for the original endpoint. We have already fixed the vulnerability in the following version: QuRouter 2.6.3.009 and later

Affected products

• QNAP Qurouter: version 2.6.0.239 only; version 2.6.0.688 only; version 2.6.1.028 only; version 2.6.2.007 only

Published 2026-03-20. Last modified 2026-06-17.