If you've forgotten your cPanel password, you can simply update it from your client portal by following this guide: https://my.wirenine.com/knowledgebase/4162/How-do-I-change-my-cPanel-password-from-the-client-portal.html
If you've forgotten your client portal password, you can request a password reset by going to https://my.wirenine.com/pwreset.php.