CVE-2025-44007: QNAP Qsync Central

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

An allocation of resources without limits or throttling vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to prevent other systems, applications, or processes from accessing the same type of resource. We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.1 ( 2025/07/09 ) and later

Affected products

• QNAP Qsync Central: from 4.2.0.0, before 5.0.0.1 (fixed in 5.0.0.1)

Published 2025-10-03. Last modified 2026-06-17.