Medium severity · published Aug 29, 2025
CVE-2025-29875
A NULL pointer dereference vulnerability has been reported to affect File Station 5
6.5
CVSS
0.5%
EPSS
No
On KEV
Description
A NULL pointer dereference vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack.
We have already fixed the vulnerability in the following version:
File Station 5 5.5.6.4907 and later
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% 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 5.5.6.4907 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-29875
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-29875
Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-25-19
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