Cisco IOS XE Software Denial of Service Vulnerability (CNVD-2021-80663)

Cisco IOS XE Software is an operating system from the U.S. company Cisco (Cisco). 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 XE Software has a denial-of-service vulnerability that could be exploited by an attacker to cause a denial of service to the device’s Cisco QuantumFlow processor.