Vulnerability in QNAP File Station

CVE-2025-57707

An improper neutralization of directives in statically saved code ('Static Code Injection') vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to access restricted data / files. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5166 and later

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.007 (53.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-57707: held from 0.007 to 0.007.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-57707?
CVE-2025-57707 is a high-severity vulnerability in QNAP File Station, classified under Improper Neutralization of Directives in Statically Saved Code (Static Code Injection). CVSS score: 8.8/10. Published 2026-02-11.
How severe is CVE-2025-57707?
High severity. CVSS v3 base score is 8.8 out of 10.