CVE-2025-54170: QNAP Qsync Central

Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days.

An out-of-bounds read vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to obtain secret data. We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.4 ( 2026/01/20 ) and later

Affected products

• QNAP Qsync Central: from 5.0.0.0, before 5.0.0.4 (fixed in 5.0.0.4)

Published 2026-02-11. Last modified 2026-06-17.