Medium severity · published Feb 11, 2026
CVE-2025-62856
A path traversal vulnerability has been reported to affect File Station 5
4.4
CVSS
0.4%
EPSS
No
On KEV
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
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FS
File Station · Qnap
5.5.6.4691 before 5.5.6.5190 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-62856
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-62856
Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-26-03
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