Buffer overflow in apply.cgi in Linksys WRT54G 3.01.03, 3.03.6, and possibly other versions before 4.20.7, allows remote attackers to execute arbitrary code via a long HTTP POST request.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-2800
http://www.idefense.com/application/poi/display?id=305&type=vulnerabilities