Cisco IOS XE Software is an operating system from the U.S. company Cisco (Cisco). A single operating system for enterprise wired and wireless access, aggregation, core, and WAN, Cisco IOS XE reduces business and network complexity.Cisco IOS XE Software is vulnerable to an authentication bypass vulnerability that could be exploited by an attacker to send a series of NETCONF or RESTCONF requests to an affected device to install, manipulate, or remove configuration of a network device, or corrupt memory on the device.