Resource exhaustion in QNAP Qts
CVE-2025-47208
An allocation of resources without limits or throttling vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains a user account, they can then exploit the vulnerability to prevent other systems, applications, or processes from accessing the same type of resource. 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
EPSS: 0.003 (20.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/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
Weakness classification (CWE)
References
- security@qnapsecurity.com.tw (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-47208?
- CVE-2025-47208 is a medium-severity vulnerability in QNAP Qts, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-01-02.
- How severe is CVE-2025-47208?
- Medium severity. CVSS v3 base score is 6.5 out of 10.