cve/2019/CVE-2019-5078.md

### [CVE-2019-5078](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5078)
![](https://img.shields.io/static/v1?label=Product&message=WAGO%20PFC100&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=WAGO%20PFC200&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=denial%20of%20service&color=brighgreen)

### Description

An exploitable denial of service vulnerability exists in the iocheckd service "I/O-Check" functionality of WAGO PFC200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a denial of service, resulting in the device entering an error state where it ceases all network communications. An attacker can send unauthenticated packets to trigger this vulnerability.

### POC

#### Reference
- https://talosintelligence.com/vulnerability_reports/TALOS-2019-0870
- https://talosintelligence.com/vulnerability_reports/TALOS-2019-0870

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