### [CVE-2021-21883](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21883) ![](https://img.shields.io/static/v1?label=Product&message=Lantronix&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=Lantronix%20PremierWave%202050%208.9.0.0R4%20(in%20QEMU)%20&color=brightgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-78%3A%20Improper%20Neutralization%20of%20Special%20Elements%20used%20in%20an%20OS%20Command%20('OS%20Command%20Injection')&color=brightgreen) ### Description An OS command injection vulnerability exists in the Web Manager Diagnostics: Ping functionality of Lantronix PremierWave 2050 8.9.0.0R4. A specially-crafted HTTP request can lead to arbitrary command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability. ### POC #### Reference - https://talosintelligence.com/vulnerability_reports/TALOS-2021-1327 #### Github No PoCs found on GitHub currently.