Disclosure summary
The Dynamic Host Configuration Protocol (DHCP) relay subsystem of Cisco IOS and Cisco IOS XE Software contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code and gain full control of an affected system.
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 2026-10-06T11:42:59-04:00