Cyber Resilience

CVE-2025-22490

Medium

Published: 06 June 2025

Published
06 June 2025
Modified
18 June 2025
KEV Added
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Patch
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CVSS Score v4 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0039 60.1th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-22490 is a medium-severity NULL Pointer Dereference (CWE-476) vulnerability in Qnap File Station. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 39.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

the following version: File Station 5 5.5.6.4847 and later

CWE(s)
CWE-476

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

qnap
file station
5.5.6.4691 — 5.5.6.4847

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References