Out-of-bounds Read in QNAP License Center
CVE-2025-52871
An out-of-bounds read vulnerability has been reported to affect License Center. If a remote attacker gains a user account, they can then exploit the vulnerability to obtain secret data. We have already fixed the vulnerability in the following version: License Center 2.0.36 and later
Vulnerability class: Buffer Overflow
Published · last modified .
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:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (45.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: -0.000
Affected products
- QNAP License Center
- QNAP Systems Inc. License Center — versions 2.0.x
Weakness classification (CWE)
References
- www.qnap.com/en/security-advisory/qsa-25-52 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-52871?
- CVE-2025-52871 is a medium-severity vulnerability in QNAP License Center, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2026-01-02.
- How severe is CVE-2025-52871?
- Medium severity. CVSS v3 base score is 6.5 out of 10.