CVE-2026-51536 | Across OpENer 2.3.0 CIP Packet DecodePaddedEPath length stack-based overflow

A vulnerability was found in Across OpENer 2.3.0. It has been declared as very critical. Impacted is the function DecodePaddedEPath of the component CIP Packet Handler. The manipulation of the argument length results in stack-based buffer overflow.

This vulnerability is cataloged as CVE-2026-51536. The attack may be launched remotely. There is no exploit available.