Here is full command line access. Its a really crude hack, but it works. :-)
ssh root@<IP of camera> "ash -c 'mv /bin/psh /bin/old_psh'"
ssh root@<IP of camera>
root@<IP of camera>'s password:
BusyBox v1.19.3 (2015-03-20 17:37:48 CST) built-in shell (ash)
Enter 'help' for a list of built-in...