Vulnerability in Qnap Qts
CVE-2025-59385
An authentication bypass by spoofing vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to access resources which are not otherwise accessible without proper authentication. We have already fixed the vulnerability in the following versions: QTS 5.2.7.3297 build 20251024 and later QuTS hero h5.2.7.3297 build 20251024 and later QuTS hero h5.3.1.3292 build 20251024 and later
EPSS: 0.006 (46.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Qnap Qts — versions 5.2.0.2737, 5.2.0.2744, 5.2.0.2782
- Qnap Quts_hero — versions h5.2.0.2737, h5.2.0.2782, h5.2.0.2789
- Qnap Systems Inc. Qts — versions 5.2.x
- Qnap Systems Inc. Quts Hero — versions h5.2.x, h5.3.x
Weakness classification (CWE)
References
- security@qnapsecurity.com.tw (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-59385?
- CVE-2025-59385 is a critical-severity vulnerability in Qnap Qts, classified under Authentication Bypass by Spoofing. CVSS score: 9.8/10. Published 2025-12-16.
- How severe is CVE-2025-59385?
- Critical severity. CVSS v3 base score is 9.8 out of 10.