telnet 192.168.9.1
Trying 192.168.9.1...
Connected to 192.168.9.1.
Escape character is '^]'.

Welcome Visiting Huawei Home Gateway
Copyright by Huawei Technologies Co., Ltd.

Login:root'
Password:*****
User name or password is wrong, please try it again!
Login:root
Password:*****
Password is default value, please modify it!
WAP>su
Challenge:5BHQM55A
Please input password:********
Failure: Error Password
Please input password:****
Failure: Error Password
Please input password:*****************
Please input password:****
Failure: Error Password
ERROR:assword is not right!