Description

An allocation of resources without limits or throttling vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to prevent other systems, applications, or processes from accessing the same type of resource.

We have already fixed the vulnerability in the following version:
File Station 5 5.5.6.4847 and later

Classification

CVE ID: CVE-2025-22484

CVSS Base Severity: HIGH

CVSS Base Score: 7.1

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Affected Products

Vendor: QNAP Systems Inc.

Product: File Station 5

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.11% (probability of being exploited)

EPSS Percentile: 30.93% (scored less or equal to compared to others)

EPSS Date: 2025-06-27 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-22484
https://www.qnap.com/en/security-advisory/qsa-25-16

Timeline