cve/2021/CVE-2021-33274.md

### [CVE-2021-33274](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33274)
![](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

D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function FUN_80040af8 in /formWlanSetup. This vulnerability is triggered via a crafted POST request.

### POC

#### Reference
- https://github.com/Lnkvct/IoT-poc/tree/master/D-Link-DIR809/vuln07
- https://www.dlink.com/en/security-bulletin/

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