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.
References (2)
Core 2
Core References
Product
http://fanvil.com
Exploit, Third Party Advisory
https://github.com/SpikeReply/advisories/blob/main/cve/fanvil/cve-2025-64054.md
Scores
CVSS v3
9.6
EPSS
0.0024
EPSS Percentile
46.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-79
Status
published
Products (1)
fanvil/x210_firmware
2.12.20
Published
Dec 05, 2025
Tracked Since
Feb 18, 2026