CVE-2025-62856: File Station 5

Severity: medium (CVSS 4.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-11 · updated 2026-06-17
Weakness: CWE-22

Description

A path traversal vulnerability has been reported to affect File Station 5. If a local attacker gains an administrator account, they can then exploit the vulnerability to read the contents of unexpected files or system data. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5190 and later

Affected products

QNAP Systems Inc. File Station 5: from 5.5.6.4691 before 5.5.6.5190 — fixed in 5.5.6.5190

How to fix

Upgrade to a fixed version: QNAP Systems Inc. File Station 5 5.5.6.5190. Check the vendor advisory for mitigations.

References

https://www.qnap.com/en/security-advisory/qsa-26-03

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