telnet 192.168.1.1
BCM96838 Broadband Router
Login:telnetadmin
Password:telnetadmin
>sh
BusyBox v1.17.2 (2018-07-03 14:37:43 CST) built-in shell (ash)
Enter 'help' for a list of built-in commands.
# ls
bin debug lib opt sys var
cferam.002 dev linuxrc proc tmp vmlinux.lz
data etc mnt sbin usr webs
#