TCPIPS_Story.dll in Sielco Sistemi Winlog Pro SCADA before 2.07.17 and Winlog Lite SCADA before 2.07.17 allows remote attackers to execute arbitrary code via a port-46824 TCP packet with a crafted positive integer after the opcode, triggering incorrect function-pointer processing that can lead to a buffer overflow. NOTE: some of these details are obtained from third party information.
http://www.us-cert.gov/control_systems/pdf/ICSA-12-213-01.pdf