High severity · published Jun 6, 2025
CVE-2025-30279
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 a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system.
We have already fixed the vulnerability in the following version:
File Station 5 5.5.6.4847 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 5.5.6.4847 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-30279
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-30279
Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-25-16
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