CVE-2026-75347

HIGH Status: Deferred

CVSS Scores

CVSS v3.x Base Score

7.5

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.

Published

October 9, 2026 5:16 PM

Last Modified

October 9, 2026 5:41 PM

Source

[email protected]

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

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