CVE-2025-54162: qnap systems inc. file station 5 Path Traversal
Vulnerability summary
CVE-2025-54162 is a medium (CVSS 4.9) Path Traversal vulnerability in qnap systems inc. file station 5. EPSS estimates a 0.51% chance of exploitation in the next 30 days, higher than 42% of scored vulnerabilities.
Timeline
- 11-02-2026PublishedVulnerability first disclosed.
- 11-02-2026Last modifiedVulnerability information updated.
Description
A path traversal vulnerability has been reported to affect File Station 5. If a remote 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 5.5.6.5068 and later
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST4.8MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS trend
Probability
0.51%
Chance of exploitation in the next 30 days
Percentile
42%
Versus all other CVEs
30-day change
+0.05 pp
From 0.45% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
- CWE-73External Control of File Name or PathThe product allows user input to control or influence paths or file names that are used in filesystem operations.
Affected systems
Qnap1 product
- file_station≥ 5.5.6.4691, < 5.5.6.5190
Qnap systems inc.1 product
- file station 5≥ 5.5.x, < 5.5.6.5068
2 vendors · 2 products
References
1 links- www.qnap.com/en/security-advisory/qsa-26-03Vendor Advisory