CVE-2017-12240
Cisco IOS Software DHCP Relay Code Execution Vulnerability.
Halo Surface Signal: 2 out of 5 — less likely to be public-facing.
A vulnerability in Cisco IOS and IOS XE Software's DHCP relay subsystem could allow an unauthenticated, remote attacker to execute arbitrary code, gain full system control, or cause a denial of service. This presents a risk of unauthorized access and operational disruption.