CVE-2026-124580: Chengdu Feiyuxing Technology VW2100/VEC10GP Weixin Auth Endpoint webserver handle_wechat_cn_wifi os command injection
A vulnerability was found in Chengdu Feiyuxing Technology VW2100 and VEC10GP 1.0 B-MB3W202-210825-r11775. This impacts the function handlewechatcnwifi of the file var/html/webserver of the component Weixin Auth Endpoint. The manipulation of the argument extend results in os command injection. The attack can be executed remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected Software
Event History
Frequently Asked Questions
Which deployments are affected?
The affected products are Chengdu Feiyuxing Technology VW2100 and VEC10GP running version 1.0 B-MB3W202-210825-r11775. The issue is in the Weixin Auth Endpoint's webserver component.
What does an attacker need to exploit this issue?
The attack can be executed remotely with low complexity and requires no privileges or user interaction. Exploitation involves manipulating the extend argument handled by handle_wechat_cn_wifi.
Is public exploit code available?
Yes. A public exploit has been disclosed, increasing the likelihood that the issue can be used in attacks.
Is a vendor fix available?
The available information does not identify a fix. The vendor was contacted before disclosure but did not respond.