Cisco IOS XE Software Denial of Service Vulnerability (CNVD-2021-80661)

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 suffers from a denial-of-service vulnerability that could be exploited by an attacker to send specific Layer 2 frames on a router-connected segment to cause a queue wedge, resulting in a DoS condition.