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Pyramid Solutions EtherNet/IP Adapter DLL Kit (EIPA) · Pyramid Solutions EtherNet/IP Adapter DLL Kit with CIP Security (EIPA-SECURE) · Pyramid Solutions EtherNet/IP Adapter Development Kit (EADK) · Pyramid Solutions EtherNet/IP Adapter Development Kit with CIP Security (EADK-SECURE)

An issue in the NetStaX EtherNet/IP Stack prior to v5.6.1 could allow a large Class 3 explicit-message request to exceed the application-side receive buffer without generating an error or warning. The result could be memory corruption, a device crash, or a potential remote attack vector without the originating device receiving a CIP error indicating that the request could not be processed.