cve/2018/CVE-2018-0156.md

### [CVE-2018-0156](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0156)
![](https://img.shields.io/static/v1?label=Product&message=Cisco%20IOS%20and%20IOS%20XE&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-399&color=brighgreen)

### Description

A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted packet to an affected device on TCP port 4786. Only Smart Install client switches are affected. Cisco devices that are configured as a Smart Install director are not affected by this vulnerability. Cisco Bug IDs: CSCvd40673.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/Ostorlab/KEV
- https://github.com/Ostorlab/known_exploited_vulnerbilities_detectors