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Vulnerability · Published Jun 21, 2026 · Assigned by VulDB

CVE-2026-12814Comfast CF-WR631AX V3 API Endpoint mbox-config system os command injection

Medium 6.3

In plain English

A medium-severity OS command injection in CF-WR631AX V3 from Comfast. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 2.4% (higher than 84% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)2.4%top 16.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Comfast CF-WR631AX V3 2.7.0.02.7.0.12.7.0.22.7.0.32.7.0.42.7.0.52.7.0.62.7.0.7

Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References