cve/2011/CVE-2011-2716.md

### [CVE-2011-2716](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2716)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### Description

The DHCP client (udhcpc) in BusyBox before 1.20.0 allows remote DHCP servers to execute arbitrary commands via shell metacharacters in the (1) HOST_NAME, (2) DOMAIN_NAME, (3) NIS_DOMAIN, and (4) TFTP_SERVER_NAME host name options.

### POC

#### Reference
- http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html
- http://seclists.org/fulldisclosure/2019/Jun/18
- http://seclists.org/fulldisclosure/2020/Aug/20
- https://seclists.org/bugtraq/2019/Jun/14
- https://support.t-mobile.com/docs/DOC-21994

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