CVE-2025-64054 — CRITICAL (9.6)

Vulnerability Description

A reflected Cross Site Scripting (XSS) vulnerability on Fanvil x210 2.12.20 devices allows attackers to cause a denial of service or potentially execute arbitrary commands via crafted POST request to the /cgi-bin/webconfig?page=upload&action=submit endpoint.

CVSS Score

9.6

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Fanvil	X210 Firmware	2.12.20
Fanvil	X210	2.0

Related Weaknesses (CWE)

CWE-79

References

http://fanvil.comProduct
https://github.com/SpikeReply/advisories/blob/main/cve/fanvil/cve-2025-64054.mdExploitThird Party Advisory

FAQ

What is CVE-2025-64054?

CVE-2025-64054 is a vulnerability with a CVSS score of 9.6 (CRITICAL). A reflected Cross Site Scripting (XSS) vulnerability on Fanvil x210 2.12.20 devices allows attackers to cause a denial of service or potentially execute arbitrary commands via crafted POST request to ...

How severe is CVE-2025-64054?

CVE-2025-64054 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-64054?

Check the references section above for vendor advisories and patch information. Affected products include: Fanvil X210 Firmware, Fanvil X210.