CVE-2026-75347

high

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.

References

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

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

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

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

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-95916

Details

Source: Mitre, NVD

Published: 2026-10-09

Updated: 2026-10-09

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

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