cve/2021/CVE-2021-40411.md

### [CVE-2021-40411](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40411)
![](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=CWE-78%3A%20Improper%20Neutralization%20of%20Special%20Elements%20used%20in%20an%20OS%20Command%20('OS%20Command%20Injection')&color=brighgreen)

### Description

An OS command injection vulnerability exists in the device network settings functionality of reolink RLC-410W v3.0.0.136_20121102. At [6] the dns_data->dns2 variable, that has the value of the dns2 parameter provided through the SetLocalLink API, is not validated properly. This would lead to an OS command injection.

### POC

#### Reference
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424

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