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.