cve/2023/CVE-2023-34213.md

### [CVE-2023-34213](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-34213)
![](https://img.shields.io/static/v1?label=Product&message=TN-5900%20Series&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=1.0%3C%3D%203.3%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-77%20Improper%20Neutralization%20of%20Special%20Elements%20used%20in%20a%20Command%20('Command%20Injection')&color=brighgreen)

### Description

TN-5900 Series firmware versions v3.3 and prior are vulnerable to command-injection vulnerability. This vulnerability stems from insufficient input validation and improper authentication in the key-generation function, which could potentially allow malicious users to execute remote code on affected devices. 

### POC

#### Reference
- https://www.moxa.com/en/support/product-support/security-advisory/mpsa-230402-tn-5900-and-tn-4900-series-web-server-multiple-vulnerabilities

#### Github
- https://github.com/3sjay/vulns