WellinTech KingView 6.53 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via a crafted packet to (1) TCP or (2) UDP port 2001.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2012-1842
http://www.wellintech.com/index.php/news/33-patch-for-kingview653
http://www.us-cert.gov/control_systems/pdf/ICSA-12-185-01.pdf