CVE-2025-52872
high-risk
Published 2026-01-02
A buffer overflow 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 modify memory or crash processes. We have already fixed the vulnerability in the following versions: QTS 5.2.7.3256 build 20250913 and later QuTS hero h5.2.7.3256 build 20250913 and later QuTS hero h5.3.0.3192 build 20250716 and later
Do I need to act?
-
0.14% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.1/10
High
NETWORK
/ LOW complexity
Affected Products (20)
Affected Vendors
References (1)
Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-25-50
52
/ 100
high-risk
Severity
28/34 · Critical
Exploitability
1/34 · Minimal
Exposure
23/34 · High