OS Command Injection vulnerability in OKER G955V1 v1.03.02.20161128, allows physical attackers to interrupt the boot sequence and execute arbitrary commands with root privileges.
https://www.dropbox.com/s/cnzwbxhxl0ahzoa/OKER_UART_2.mp4
https://gist.github.com/tanprathan/69fbf6fbac11988e12f44069ec5b18ea#file-cve-2020-22007-txt