What is CVE-2025-62854?

CVE-2025-62854 is a medium-severity vulnerability in Qnap File_station, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-02-11.

How severe is CVE-2025-62854?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Qnap File_station

CVE-2025-62854

An uncontrolled resource consumption 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…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.005 (41.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Qnap File_station
Qnap Systems Inc. File Station 5 — versions 5.5.x

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

security@qnapsecurity.com.tw (Vendor Advisory)

Frequently asked questions

What is CVE-2025-62854?: CVE-2025-62854 is a medium-severity vulnerability in Qnap File_station, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-02-11.
How severe is CVE-2025-62854?: Medium severity. CVSS v3 base score is 6.5 out of 10.