High severity7.5NVD Advisory· Published Oct 9, 2026· Updated Oct 9, 2026

CVE-2026-75347

Description

EIPStackGroup OpENer v2.3 and master up to commit 76b95cf contain an expired pointer dereference vulnerability in the EtherNet/IP Common Packet Format (CPF) handling logic. This allows a remote attacker to cause a denial of service.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

EIPStackGroup/Openerllm-fuzzy
Range: <=v2.3, <master commit 76b95cf

Patches

Vulnerability mechanics

References

github.com/EIPStackGroup/OpENer/blob/master/source/src/enet_encap/cpf.cnvd
github.com/EIPStackGroup/OpENer/blob/master/source/src/enet_encap/encap.cnvd
github.com/EIPStackGroup/OpENer/blob/master/source/src/ports/generic_networkhandler.cnvd
github.com/EIPStackGroup/OpENer/issues/575nvd

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