Cisco IOS and Cisco IOS XE Software Denial of Service Vulnerability (CNVD-2021-80668)

Cisco IOS and Cisco IOS XE Software are both products of the U.S. company Cisco IOS is a set of operating systems developed for its network devices.Cisco IOS XE Software is an operating system. Cisco IOS XE Software is a single operating system for enterprise wired and wireless access, aggregation, core and WAN, Cisco IOS XE reduces business and network complexity. pool of available IP addresses.