CVE-2025-29883: QNAP File Station

High severity, CVSS 8.8. EPSS: 0.3% chance of exploitation in the next 30 days.

An improper certificate validation vulnerability has been reported to affect File Station 5. If exploited, the vulnerability could allow remote attackers who have gained user access to compromise the security of the system. We have already fixed the vulnerability in the following versions: File Station 5 5.5.6.4791 and later and later

Affected products

• QNAP File Station: from 5.5.6.4691, before 5.5.6.4791 (fixed in 5.5.6.4791)

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