What’s Vulnerable › Vulnerabilities
CVE-2025-52853: QTS, QuTS hero
- Severity: medium (CVSS 4.9 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-10-03 · updated 2026-10-18
- Weakness: CWE-476
Description
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.2.6.3195 build 20250715 and later QuTS hero h5.2.6.3195 build 20250715 and later
Affected products
- QNAP QTS: 5.2.0.2737-build_20240417, 5.2.0.2744-build_20240424, 5.2.0.2782-build_20240601, 5.2.0.2802-build_20240620, 5.2.0.2823-build_20240711, 5.2.0.2851-build_20240808 (+8)
- QNAP Systems Inc. QuTS hero: h5.2.0.2737-build_20240417, h5.2.0.2782-build_20240601, h5.2.0.2789-build_20240607, h5.2.0.2802-build_20240620, h5.2.0.2823-build_20240711, h5.2.0.2851-build_20240808 (+8)
References
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