Path Traversal in Qnap File Station
CVE-2025-62855
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
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.003 (26.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Qnap File_station
- Qnap Systems Inc. File Station 5 — versions 5.5.x
Weakness classification (CWE)
References
- security@qnapsecurity.com.tw (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-62855?
- CVE-2025-62855 is a medium-severity vulnerability in Qnap File Station, classified under Path Traversal. CVSS score: 4.4/10. Published 2026-02-11.
- How severe is CVE-2025-62855?
- Medium severity. CVSS v3 base score is 4.4 out of 10.