### [CVE-2021-37740](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37740)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### Description

A denial of service vulnerability exists in MDT's firmware for the KNXnet/IP Secure router SCN-IP100.03 and KNX IP interface SCN-IP000.03 before v3.0.4, that allows a remote attacker to turn the device unresponsive to all requests on the KNXnet/IP Secure layer, until the device is rebooted, via a SESSION_REQUEST frame with a modified total length field.

### POC

#### Reference
- https://github.com/robertguetzkow/CVE-2021-37740

#### Github
- https://github.com/ARPSyndicate/cve-scores
- https://github.com/ARPSyndicate/cvemon
- https://github.com/NaInSec/CVE-PoC-in-GitHub
- https://github.com/SYRTI/POC_to_review
- https://github.com/WhooAmii/POC_to_review
- https://github.com/anquanscan/sec-tools
- https://github.com/nomi-sec/PoC-in-GitHub
- https://github.com/robertguetzkow/CVE-2021-37740
- https://github.com/robertguetzkow/robertguetzkow
- https://github.com/trhacknon/Pocingit
- https://github.com/zecool/cve