CVE-2026-12814

medium

Description

A flaw has been found in Comfast CF-WR631AX V3 up to 2.7.0.8. This issue affects the function system of the file /cgi-bin/mbox-config?section=ping_config of the component API Endpoint. This manipulation of the argument destination causes os command injection. The attack is possible to be carried out remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

References

https://vuldb.com/vuln/372608/cti

https://vuldb.com/vuln/372608

https://vuldb.com/submit/837561

https://vuldb.com/cve/CVE-2026-12814

https://github.com/0xcc12138/COMFAST-CF-WR631AX-Router-Backend-Command-Injection-RCE-Analysis-Report

Details

Source: Mitre, NVD

Published: 2026-06-21

Updated: 2026-06-21

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 6.3

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Severity: Medium

CVSS v4

Base Score: 5.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Severity: Medium