You can set a new web login password after logging in to the device through the Console port, Stelnet/telnet, eccetera.
(1) Log in to the device through the Console port, Stelnet/telnet, eccetera.
(2) Enter the system view.
system-view
(3) Go to the local user view for web login.
local-user user-name
(4) Change the user’s password.
Password [{hash | simple} password]