### [CVE-2021-40113](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40113)
![](https://img.shields.io/static/v1?label=Product&message=Cisco%20Catalyst%20PON%20Series&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=CWE-284&color=brightgreen)

### Description

Multiple vulnerabilities in the web-based management interface of the Cisco Catalyst Passive Optical Network (PON) Series Switches Optical Network Terminal (ONT) could allow an unauthenticated, remote attacker to perform the following actions: Log in with a default credential if the Telnet protocol is enabled Perform command injection Modify the configuration For more information about these vulnerabilities, see the Details section of this advisory.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/karamMahmad/CVE-2021-40113