2020-10-30 03:35:54
jpcert
PUBLISHED
Improper neutralization of argument delimiters in a command (Argument Injection) vulnerability in TCP/IP function included in the firmware of MELSEC iQ-R series (RJ71EIP91 EtherNet/IP Network Interface Module First 2 digits of serial number are 02 or before, RJ71PN92 PROFINET IO Controller Module First 2 digits of serial number are 01 or before, RD81DL96 High Speed Data Logger Module First 2 digits of serial number are 08 or before, RD81MES96N MES Interface Module First 2 digits of serial number are 04 or before, and RD81OPC96 OPC UA Server Module First 2 digits of serial number are 04 or before) allows unauthenticated attackers on adjacent network to stop the network functions of the products via a specially crafted packet.