High severity · published Jun 6, 2025
CVE-2025-29883
An improper certificate validation vulnerability has been reported to affect File Station 5
8.8
CVSS
0.3%
EPSS
No
On KEV
Description
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
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% 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 5.5.6.4791 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-29883
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-29883
Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-25-09
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