CVE-2025-64054

Severity: critical (CVSS 9.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-12-05 · updated 2026-07-05
Weakness: CWE-79

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.

Affected products

Fanvil X210 Firmware: 2.12.20

References

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

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