Vulnerability in Qnap File_station
CVE-2025-33031
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 fixe…
Vulnerability class: Improper Certificate Validation
EPSS: 0.002 (13.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Qnap File_station
- Qnap Systems Inc. File Station 5 — versions 5.5.x
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@qnapsecurity.com.tw (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-33031?
- CVE-2025-33031 is a high-severity vulnerability in Qnap File_station, classified under Improper Certificate Validation. CVSS score: 8.8/10. Published 2025-06-06.
- How severe is CVE-2025-33031?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-33031 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.