### [CVE-2017-12089](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12089)
![](https://img.shields.io/static/v1?label=Product&message=Allen%20Bradley&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=Allen%20Bradley%20Micrologix%201400%20Series%20B%20FRN%2021.2%2C%20Allen%20Bradley%20Micrologix%201400%20Series%20B%20FRN%2021.0%2C%20Allen%20Bradley%20Micrologix%201400%20Series%20B%20FRN%2015%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=denial%20of%20service&color=brightgreen)

### Description

An exploitable denial of service vulnerability exists in the program download functionality of Allen Bradley Micrologix 1400 Series B FRN 21.2 and before. A specially crafted packet can cause a device fault resulting in halted operations. An attacker can send an unauthenticated packet to trigger this vulnerability.

### POC

#### Reference
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0441

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