CVE-2025-52869

A buffer overflow vulnerability has been reported to affect Qsync Central. 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: Qsync Central 5.0.0.4 ( 2026/01/20 ) 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-122

Affected products

• Qsync Central (Qnap)
• Qsync Central (Qnap Systems Inc.)

References

• https://www.qnap.com/en/security-advisory/qsa-26-02