The Cisco Small Business RV340 and Cisco Small Business are both products of Cisco, Inc. The Cisco Small Business RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN routers have a security vulnerability in their Web-based management interface that allows an unauthenticated remote attacker to execute arbitrary code on the affected device or cause the device to be used as a gateway between networks. remote attacker to execute arbitrary code on the affected device or cause the device to reload, resulting in a denial-of-service (DoS) condition.