Cisco IOS and Cisco IOS XE Software Denial of Service Vulnerability (CNVD-2021-80666)

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. Used as a single operating system for enterprise wired and wireless access, aggregation, core, and WAN, Cisco IOS XE reduces business and network complexity.Cisco IOS and Cisco IOS XE Software have a denial of service vulnerability that can be exploited by an attacker to trigger a reload of the affected device, resulting in a denial of service (DoS) attack.