The web management interface in Siemens RuggedCom ROS before 3.11, ROS 3.11 before 3.11.5 for RS950G, ROS 3.12, and ROS 4.0 for RSG2488 allows remote attackers to cause a denial of service (interface outage) via crafted HTTP packets.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2014-2622
http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-831997.pdf