Hello, friend!
Do you mean the Web account and password of the B525 or the Wi-Fi password of the B525?
1. If it'sWeb account and password for logging in to the B525
Generally, the default account and password are admin. If you forget to change the password, reset the device to restore the default account and password.
2. If it's the Wi-Fi password of the B525
You can query and modify the device nameplate information or log in to the device WebUI.
For more information, please click: Huawei router B525
Thanks!