What is CVE-2025-22490?

CVE-2025-22490 is a high-severity vulnerability in Qnap File_station, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2025-06-06.

How severe is CVE-2025-22490?

High severity. CVSS v3 base score is 7.5 out of 10.

NULL pointer dereference in Qnap File_station

CVE-2025-22490

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…

EPSS: 0.004 (28.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/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-476 — NULL Pointer Dereference

References

security@qnapsecurity.com.tw (Vendor Advisory)

Frequently asked questions

What is CVE-2025-22490?: CVE-2025-22490 is a high-severity vulnerability in Qnap File_station, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2025-06-06.
How severe is CVE-2025-22490?: High severity. CVSS v3 base score is 7.5 out of 10.