At the moment there is no dictated cli tool available to reset a users password.
How ever you can use a SQL query to reset a users password.
To reset the password of an LDAP user (or other Single sign-on services) please contact your Single sign-on administrator.
To reset the password, you need the users E-Mail adress. If you don't know the adress, run the folowing command to get a list of all users
Replace firstname.lastname@example.org with the email adress of the user, you want to reset the password.
The new password of the user is abc123.