### [CVE-2021-34569](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34569)
![](https://img.shields.io/static/v1?label=Product&message=750-81xx%2Fxxx-xxxFW&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=750-82xx%2Fxxx-xxx&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=752-8303%2F8000-0002&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=762-4xxx&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=762-5xxx&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=762-6xxx&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=FW1%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-787%20Out-of-bounds%20Write&color=brightgreen)

### Description

In WAGO I/O-Check Service in multiple products an attacker can send a specially crafted packet containing OS commands to crash the diagnostic tool and write memory.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/Live-Hack-CVE/CVE-2021-34569