FutureNet NXR series, VXR series and WXR series provided by Century Systems Co., Ltd. allow a remote unauthenticated attacker to execute an arbitrary OS command, obtain and/or alter sensitive information, and be able to 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.

Cross-site request forgery (CSRF) vulnerability in multiple Century Systems routers including XR-410 before 1.6.9, XR-510 before 3.5.3, XR-440 before 1.7.8, and other XR series routers from XR-510 to XR-730 allows remote attackers to modify configuration as the administrator via unknown vectors.