CVE-2025-64054

Name: CVE-2025-64054
Creator: NVD / NIST
Published: 2025-12-05T16:15:50.33+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.6/10EPSS 0.40%

Last modified Jun 17, 2026

CVE-2025-64054 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. 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.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.6/10

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

EPSS Probability

0.40%

31.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Fanvil	X210 Firmware	2.12.20

References

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

Timeline

Published: Dec 5, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-64054?

How severe is CVE-2025-64054?

CVE-2025-64054 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2025-64054?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-64054?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST