cve/2021/CVE-2021-27114.md

### [CVE-2021-27114](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27114)
![](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

An issue was discovered in D-Link DIR-816 A2 1.10 B05 devices. Within the handler function of the /goform/addassignment route, a very long text entry for the"'s_ip" and "s_mac" fields could lead to a Stack-Based Buffer Overflow and overwrite the return address.

### POC

#### Reference
- https://github.com/GD008/vuln/blob/main/DIR-816_stackoverflow.md
- https://www.dlink.com/en/security-bulletin/

#### Github
- https://github.com/Ostorlab/known_exploited_vulnerbilities_detectors