CVE-2018-0174

Name of the Vulnerable Software and Affected Versions Cisco IOS Software and Cisco IOS XE Software (affected versions not specified)

Description A vulnerability exists in the DHCP option 82 encapsulation functionality due to incomplete input validation of option 82 information received in DHCP Version 4 packets from DHCP relay agents. This could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service condition. The attacker could exploit this vulnerability by sending a crafted DHCPv4 packet to an affected device.

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