FutureNet NXR series, VXR series and WXR series provided by Century Systems Co., Ltd. allow an administrative user to execute an arbitrary OS command, obtain and/or alter sensitive information, and cause a denial-of-service (DoS) condition.

FutureNet NXR series, VXR series and WXR series provided by Century Systems Co., Ltd. contain an active debug code vulnerability. If a user who knows how to use the debug function logs in to the product, the debug function may be used and an arbitrary OS command may be executed.

Initialization of a resource with an insecure default vulnerability in FutureNet NXR series, VXR series and WXR series provided by Century Systems Co., Ltd. allows a remote unauthenticated attacker to access telnet service unlimitedly.