Rakuten Mobile Rakuten Casa is a small base station from Rakuten Mobile Japan, Inc. A trust management issue vulnerability exists in Rakuten Mobile Rakuten Casa AP_F_V2_0_0 and AP_F_V1_4_1 versions, which stems from the presence of hard-coded credentials in the application code. An unauthenticated, remote attacker could use the hard-coded credentials to gain full access to the vulnerable system.