EmuLive Server4 Commerce Edition Build 7560 allows remote attackers to cause a denial of service (application crash) via a sequence of carriage returns sent to TCP port 66.
https://exchange.xforce.ibmcloud.com/vulnerabilities/17451
https://euvd.enisa.europa.eu/vulnerability/EUVD-2004-1690
http://www.securityfocus.com/bid/11226
http://www.gulftech.org/?node=research&article_id=00051-09202004