cve/2020/CVE-2020-20264.md

### [CVE-2020-20264](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20264)
![](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) in the /ram/pckg/advanced-tools/nova/bin/netwatch process. An authenticated remote attacker can cause a Denial of Service due to a divide by zero error.

### POC

#### Reference
- https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_netwatch/README.md
- https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_netwatch/README.md
- https://seclists.org/fulldisclosure/2021/May/11
- https://seclists.org/fulldisclosure/2021/May/11

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