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.

Related CPE's

Could not find any relations

References

https://github.com/EIPStackGroup/OpENer/blob/master/source/src/enet_encap/cpf.c

https://github.com/EIPStackGroup/OpENer/blob/master/source/src/enet_encap/encap.c

https://github.com/EIPStackGroup/OpENer/blob/master/source/src/ports/generic_networkhandler.c

https://github.com/EIPStackGroup/OpENer/issues/575

Weaknesses

Could not find any weaknesses

CVSS impact metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.5 · High

Information

Source identifier

[email protected]

Vulnerability status

Deferred

Published

2026-10-09T17:16:48.403Z

3 hours ago

Last modified

2026-10-09T17:41:47.060Z

2 hours ago