Buffer overflow in the embedded HTTP server for Cisco Catalyst switches running CatOS 5.4 through 7.3 allows remote attackers to cause a denial of service (reset) via a long HTTP request.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2002-1206
http://www.securityfocus.com/bid/5976
http://www.iss.net/security_center/static/10382.php
http://www.cisco.com/warp/public/707/catos-http-overflow-vuln.shtml