CVE-2023-23356: QNAP Qufirewall

High severity, CVSS 7.2. EPSS: 0.9% chance of exploitation in the next 30 days.

A command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained administrator access to execute arbitrary commands. We have already fixed the vulnerability in the following versions: QuFirewall 2.3.3 ( 2023/03/27 ) and later and later

Affected products

• QNAP Qufirewall: before 2.3.3 (fixed in 2.3.3)

Published 2024-12-19. Last modified 2026-06-17.