Insecure permissions in emfd/libemf in Ruckus Wireless Unleashed through 200.7.10.102.92 allow a remote attacker to overwrite admin credentials via an unauthenticated crafted HTTP request. This affects C110, E510, H320, H510, M510, R320, R310, R500, R510 R600, R610, R710, R720, R750, T300, T301n, T301s, T310c, T310d, T310n, T310s, T610, T710, and T710s devices.