Medium severity · published Jan 2, 2026
CVE-2025-52871
An out-of-bounds read vulnerability has been reported to affect License Center
6.5
CVSS
0.6%
EPSS
No
On KEV
Description
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
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LC
License Center · Qnap
2.0.17 before 2.0.36 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-52871
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-52871
Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-25-52
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