CVE-2026-51537

A flaw was found in OpENer. An out-of-bounds read vulnerability exists in the Connection Manager when processing malformed ForwardOpen requests. A remote attacker can send a specially crafted Ethernet/IP ENIP frame with an insufficient Common Industrial Protocol CIP ForwardOpen/LargeForwardOpen...

PT-2026-57876

Name of the Vulnerable Software and Affected Versions EIPStackGroup OpENer version 2.3.0 commit 76b95cf Description An out-of-bounds read occurs in the Connection Manager when handling ForwardOpen requests during the processing of short malformed packets. An unauthenticated remote attacker can...