CVE-2024-56805: QNAP QTS

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained user access to modify memory or crash processes. We have already fixed the vulnerability in the following versions: QTS 5.2.4.3079 build 20250321 and later QuTS hero h5.2.4.3079 build 20250321 and later

Affected products

• QNAP QTS: version 5.2.0.2737 only; version 5.2.0.2744 only; version 5.2.0.2782 only; version 5.2.0.2802 only; version 5.2.0.2823 only; version 5.2.0.2851 only; …
• QNAP Quts Hero: version h5.2.0.2737 only; version h5.2.0.2782 only; version h5.2.0.2789 only; version h5.2.0.2802 only; version h5.2.0.2823 only; version h5.2.0.2851 only; …

Published 2025-06-06. Last modified 2026-06-17.