CVE-2025-64054

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 v3.1 Score

9.6

CRITICAL

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
fanvil	x210_firmware	All
fanvil	x210	All

References

Exploits

https://github.com/SpikeReply/advisories/blob/main/cve/fanvil/cve-2025-64054.md

Other References

http://fanvil.com

Frequently Asked Questions

What is CVE-2025-64054? +

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. It has a CVSS v3.1 base score of 9.6 (CRITICAL).

How severe is CVE-2025-64054? +

CVE-2025-64054 has a CVSS v3.1 score of 9.6 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-64054? +

CVE-2025-64054 affects products from fanvil, specifically: x210, x210_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-64054? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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