Disclosure summary
There is a buffer overflow vulnerability in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software which could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code.
CISA remediation guidance
Apply updates per vendor instructions.
Original records & references
PUBLISHED 2022-03-03T00:00:00-05:00
MODIFIED 2022-03-03T00:00:00-05:00
INGESTED 2026-10-06T11:42:58-04:00