CVE-2026-51540 | EIPStackGroup OpENer up to 2.3.0 SendUnitData integer underflow
A vulnerability, which was classified as very critical, was found in EIPStackGroup OpENer up to 2.3.0. This issue affects some unknown processing of the component SendUnitData. Executing a manipulation can lead to integer underflow.
The identification of this vulnerability is CVE-2026-51540. The attack may be launched remotely. There is no exploit available.