CVE-2025-53597: License Center

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-01-02 · updated 2026-10-14
Weakness: CWE-121

Description

A buffer overflow vulnerability has been reported to affect License Center. If a remote attacker gains an administrator account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: License Center 2.0.36 and later

Affected products

QNAP Systems Inc. License Center: from 2.0.17 before 2.0.36 — fixed in 2.0.36

How to fix

Upgrade to a fixed version: QNAP Systems Inc. License Center 2.0.36. Check the vendor advisory for mitigations.

References

https://www.qnap.com/en/security-advisory/qsa-25-52

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