Vulnerability DatabaseCVE-2026-75347
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CVE-2026-75347
Published:October 09, 2026
Updated:October 13, 2026
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 Resources (5)
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/blob/master/source/src/enet_encap/cpf.c
https://github.com/EIPStackGroup/OpENer/issues/575
https://nvd.nist.gov/vuln/detail/CVE-2026-75347
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Complexity
LOW
Attack Vector
NETWORK
Availability
HIGH
Confidentiality
NONE
Integrity
NONE
Privileges Required
NONE
Scope
UNCHANGED
User Interaction
NONE
Weakness Type (CWE)
Uncontrolled Resource Consumption
CWE-400
EPSS
Base Score:
0.42