CVE-2012-4623 | Cisco IOS up to 12.4/15.2 DHCPv6 input validation (cisco-sa-20120926-dhcpv6 / Nessus ID 62373)
A vulnerability was found in Cisco IOS up to 12.4/15.2 and classified as critical. Affected by this issue is some unknown functionality of the component DHCPv6 Handler. The manipulation leads to improper input validation.
This vulnerability is handled as CVE-2012-4623. The attack may be launched remotely. There is no exploit available.
It is recommended to upgrade the affected component.