As said in the previous post curl was surprising… even more stuff here:
ssh? no
Unable to negotiate with 192.168.0.254 port 22: no matching host key type found. Their offer: ssh-dss
solution
ssh -oHostKeyAlgorithms=+ssh-dss admin@192.168.0.254
root? no
admin@192.168.5.2's password:
BusyBox v1.01 (2019.06.20-08:57+0000) Built-in shell (ash)
Enter 'help' for a list of built-in commands.
$ su root
-sh: su: not found
$ id
-sh: id: not found
$ whoami
-sh: whoami: not found
$ sudo -s
-sh: sudo: not found
$ cat /etc/shadow
root:$1$foobar:10933:0:99999:7:::
Admin:$1$foobar:10933:0:99999:7:::
[..]:D