CVE-2018-0257

Name of the Vulnerable Software and Affected Versions: Cisco IOS XE Software running on Cisco cBR Series Converged Broadband Routers (affected versions not specified)

Description: A vulnerability in the software could allow an unauthenticated, adjacent attacker to cause high CPU usage on an affected device, resulting in a denial of service (DoS) condition. The issue is due to the incorrect handling of certain DHCP packets. An attacker could exploit this by sending certain DHCP packets to a specific segment of an affected device, potentially increasing CPU usage and causing a DoS condition.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.