Stack-based buffer overflow in BKHOdeq.exe in Yokogawa CENTUM CS 3000 R3.09.50 and earlier allows remote attackers to execute arbitrary code via a crafted TCP packet.
https://www.cisa.gov/news-events/ics-advisories/icsa-14-070-01a
http://www.yokogawa.com/dcs/security/ysar/dcs-ysar-index-en.htm.
http://www.securityfocus.com/bid/66130