Schneider Electric Telvent Sage 2300 RTUs with firmware before C3413-500-S01, and LANDAC II-2, Sage 1410, Sage 1430, Sage 1450, Sage 2400, and Sage 3030M RTUs with firmware before C3414-500-S02J2, allow remote attackers to obtain sensitive information from device memory by reading a padding field of an Ethernet packet.