CVEs-PoC/2020/CVE-2020-20254.md

### [CVE-2020-20254](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20254)
![](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

Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/lcdstat process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).

### POC

#### Reference
- http://seclists.org/fulldisclosure/2021/May/14
- https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_lcdstat_2/README.md

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