What is CVE-2025-57706?

CVE-2025-57706 is a medium-severity vulnerability in QNAP File Station, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-11-07.

How severe is CVE-2025-57706?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in QNAP File Station

CVE-2025-57706

A cross-site scripting (XSS) vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to bypass security mechanisms or read application data. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5018 and later

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (10.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

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

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@qnapsecurity.com.tw (Vendor Advisory)

Frequently asked questions

What is CVE-2025-57706?: CVE-2025-57706 is a medium-severity vulnerability in QNAP File Station, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-11-07.
How severe is CVE-2025-57706?: Medium severity. CVSS v3 base score is 5.4 out of 10.