CVE-2025-62852

A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. 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: QTS 5.2.8.3332 build 20251128 and later

Score

CVSS 3.1 6.5 Medium

Status

Analyzed - security@qnapsecurity.com.tw

Published

2026-01-02

Last modified

2026-10-07

Weaknesses

CWE-121, CWE-787

Affected products

• Qts (Qnap)
• Quts Hero (Qnap)
• Qts (Qnap Systems Inc.)

References

• https://www.qnap.com/en/security-advisory/qsa-25-51