CVEs-PoC/2021/CVE-2021-21819.md

### [CVE-2021-21819](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21819)
![](https://img.shields.io/static/v1?label=Product&message=D-Link&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=D-LINK%20DIR-3040%201.13B03%20&color=brightgreen)
![](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=brightgreen)

### Description

A code execution vulnerability exists in the Libcli Test Environment functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to arbitrary command execution. An attacker can send a sequence of requests to trigger this vulnerability.

### POC

#### Reference
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1284

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