PT-2026-51261 · Comfast · Cf-Wr631Ax V3

0Xcc12138 · Published 2026-06-21 · Updated 2026-06-21 · CVE-2026-12814

Positive Technologies (AI Summary)

CVSS v2.0

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Comfast CF-WR631AX V3 versions prior to 2.7.0.8

Description A remote OS command injection flaw exists in the API Endpoint component. The issue occurs within the system function of the '/cgi-bin/mbox-config?section=ping config' endpoint when the destination argument is manipulated. This allows a remote attacker to execute arbitrary operating system commands.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

OS Command Injection

Command Injection

Weakness Enumeration

CWE-78

CWE-77

Related Identifiers

CVE-2026-12814

Affected Products

Cf-Wr631Ax V3

References · 7

• 🔥 https://github.com/0xcc12138/COMFAST-CF-WR631AX-Router-Backend-Command-Injection-RCE-Analysis-Report · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-12814 · Security Note
• https://vuldb.com/submit/837561 · Note
• https://twitter.com/VulmonFeeds/status/2068841475526230204 · Twitter Post
• https://vuldb.com/vuln/372608 · Note
• https://vuldb.com/cve/CVE-2026-12814 · Note
• https://vuldb.com/vuln/372608/cti · Note