CVE-2025-64053

HIGH

Fanvil X210 Firmware - Buffer Overflow

Title source: rule
STIX 2.1

Description

A Buffer overflow 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.

Scores

CVSS v3 7.5
EPSS 0.0029
EPSS Percentile 52.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-120
Status published
Products (1)
fanvil/x210_firmware 2.12.20
Published Dec 05, 2025
Tracked Since Feb 18, 2026