CVE-2007-4012
Cisco 4100 and 4400, Airespace 4000, and Catalyst 6500 and 3750 Wireless LAN Controller (WLC) software 4.1 before 4.1.180.0 allows remote attackers to cause a denial of service (ARP storm) via a broadcast ARP packet that "targets the IP address of a known client context", aka CSCsj50374.
Date published : 2007-07-25
http://www.securityfocus.com/bid/25043
http://www.cisco.com/en/US/products/products_security_advisory09186a008088ab28.shtml