CVE-2025-48725

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 version: QuTS hero h5.3.2.3354 build 20251225 and later

Score

CVSS 3.1 8.1 High

Status

Analyzed - security@qnapsecurity.com.tw

Published

2026-02-11

Last modified

2026-02-11

Weaknesses

CWE-120, CWE-121

Affected products

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

References

• https://www.qnap.com/en/security-advisory/qsa-26-08