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OpenAdvisories
Medium · 5.3 CVE-2026-41541 EUVD-2026-101978GHSA-wfqp-r282-w463

Symlink creation in qsyncsrv.cgi

Published Oct 15, 2026 · Updated Oct 15, 2026 · Assigned by qnap

Description

An unix symbolic link (symlink) following vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system.

We have already fixed the vulnerability in the following version:
Qsync Central 5.0.0.7 and later
Qsync Central 5.1.0.3 and later
Qsync Central 5.2.0.5 and later
Qsync Central 5.3.0.2 and later

Affected products

VendorProductAffectedFixed
QNAP Systems Qsync Central 5.0.x – < 5.0.0.7, 5.1.x – < 5.1.0.3, 5.2.x – < 5.2.0.5, 5.3.x – < 5.3.0.2 5.0.0.7

References