### [CVE-2021-45840](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45840) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&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=n%2Fa&color=brightgreen) ### Description It is possible to execute arbitrary commands as root in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) by sending specifically crafted input to /tos/index.php?app/app_start_stop. ### POC #### Reference No PoCs from references. #### Github - https://github.com/20142995/nuclei-templates - https://github.com/cyb3r-w0lf/nuclei-template-collection