Improper Certificate Validation in QNAP File Station
CVE-2025-33031

8.3HIGH

Key Information:

Vendor

QNAP
Status
File Station 5
Vendor
CVE Published:
6 June 2025

What is CVE-2025-33031?

An important security issue has been identified in QNAP's File Station, specifically an improper certificate validation vulnerability. If a remote attacker successfully gains access to a user account, they can exploit this weakness to potentially compromise the overall security of the system. Users are encouraged to upgrade to File Station 5 version 5.5.6.4847 or later to secure their environment against this vulnerability.

Affected Version(s)

File Station 5 5.5.x < 5.5.6.4847

References

https://www.qnap.com/en/security-advisory/qsa-25-16

CVSS V4

Score:
8.3
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

coral
.
CVE-2025-33031 : Improper Certificate Validation in QNAP File Station