### [CVE-2018-7830](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7830)
![](https://img.shields.io/static/v1?label=Product&message=Embedded%20Web%20Servers%20in%20all%20Modicon%20M340%2C%20Premium%2C%20Quantum%20PLCs%20and%20BMXNOR0200&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Improper%20Neutralization%20of%20CRLF%20Sequences%20in%20HTTP%20Headers%20('HTTP%20Response%20Splitting')&color=brighgreen)

### Description

Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 where a denial of service can occur for ~1 minute by sending a specially crafted HTTP request.

### POC

#### Reference
- https://www.tenable.com/security/research/tra-2018-38
- https://www.tenable.com/security/research/tra-2018-38

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