CVE-2025-52432

A NULL pointer dereference 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 launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.2.6.3195 build 20250715 and later and later QuTS hero h5.2.6.3195 build 20250715 and later QuTS hero h5.3.0.3192 build 20250716 and later

Score

CVSS 4.0 5.1 Medium

Status

Analyzed - security@qnapsecurity.com.tw

Published

2025-10-03

Last modified

2026-10-18

Weaknesses

CWE-476

Affected products

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

References

• https://www.qnap.com/en/security-advisory/qsa-25-36