CVEs-PoC/2021/CVE-2021-43118.md

### [CVE-2021-43118](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43118)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

A Remote Command Injection vulnerability exists in DrayTek Vigor 2960 1.5.1.3, DrayTek Vigor 3900 1.5.1.3, and DrayTek Vigor 300B 1.5.1.3 via a crafted HTTP message containing malformed QUERY STRING in mainfunction.cgi, which could let a remote malicious user execute arbitrary code.

### POC

#### Reference
- https://gist.github.com/Cossack9989/6034c077f46e4f06d0992e9f2fae7f26

#### Github
No PoCs found on GitHub currently.