Beeline Smart Box 2.0.38 routers allow "Advanced settings > Other > Diagnostics" OS command injection via the Ping ping_ipaddr parameter, the Nslookup nslookup_ipaddr parameter, or the Traceroute traceroute_ipaddr parameter.
https://yadi.sk/i/jXV87yn4ZJfSHA
https://yadi.sk/i/iIUCJVaGEuSaAw
https://yadi.sk/i/YdfXr-ofAN2ZWA
https://medium.com/%40Pavel.Step/security-analysis-of-the-smart-box-router-932f86dc8a9e