Rakuten Casa version APFV141 or APFV200 uses a hard-coded credential which may allow a remote unauthenticated attacker to log in with the root privilege and perform an arbitrary operation.

Improper access control vulnerability in Rakuten Casa version APFV141 or APFV200 allows a remote attacker to log in with the root privilege and perform an arbitrary operation if the product is in its default settings in which is set to accept SSH connections from the WAN side, and is also connected to the Internet with the authentication information unchanged from the default settings.

Improper access control vulnerability in Rakuten Casa version APFV141 or APFV200 allows a remote attacker to obtain the information stored in the product because the product is set to accept HTTP connections from the WAN side by default.