The vulnerabilities of the microprogrammed software for Ethernet communication adapters, the FX3U-ENETADP/Ethernet Communication Block FX3U-ENET(-L), and the microprogrammed software for programmable logic controllers MELSEC iQ-F and MELSEC-F, allow attackers to cause malfunctions in the equipment’s operation.

The vulnerabilities of microprogrammed software for Ethernet communication adapters, such as the FX3U-ENETADP/Ethernet Communication Block FX3U-ENET-L, and microprogrammed software for programmable logic controllers like MELSEC iQ-F and MELSEC-F, are related to insufficient verification of data...