An issue was discovered in CommScope Ruckus Unleashed prior to 200.15.6.212.14 and 200.17.7.0.139 and in Ruckus ZoneDirector prior to 10.5.1.0.279, where hard-coded credentials for the ftpuser account provide FTP access to the controller, enabling a remote attacker to upload or retrieve arbitrary files from writable firmware directories and thereby expose sensitive information or compromise the controller.