---
id: CVE-2026-75350
title: >-
  EIPStackGroup OpENer v2.3 / master commit 76b95cf contains a buffer overflow
  in the GetAttributeList() implementation for the EtherNet/IP
  Get_Attribute_List service
summary: >-
  EIPStackGroup OpENer v2.3 / master commit 76b95cf contains a buffer overflow
  in the GetAttributeList() implementation for the EtherNet/IP
  Get_Attribute_List service. This allows a remote attacker to cause a denial of
  service
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-400
vendor: Red Hat
published: '2026-10-09'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T17:17:04.113'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-75350'
references:
  - url: 'https://github.com/EIPStackGroup/OpENer'
    label: cve@mitre.org
  - url: >-
      https://github.com/EIPStackGroup/OpENer/blob/master/source/src/cip/cipcommon.c
    label: cve@mitre.org
  - url: >-
      https://github.com/EIPStackGroup/OpENer/blob/master/source/src/enet_encap/cpf.c
    label: cve@mitre.org
  - url: >-
      https://github.com/EIPStackGroup/OpENer/blob/master/source/src/enet_encap/endianconv.c
    label: cve@mitre.org
  - url: 'https://github.com/EIPStackGroup/OpENer/issues/576'
    label: cve@mitre.org
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-75350.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-75350'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-75350'
tags:
  - nvd
  - csaf
  - vex
  - red-hat
  - cve.org
epss: 0.00476
epssPercentile: 0.40908
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-14T01:38:15.946665Z'
ingestedAt: '2026-10-09T19:09:33.757Z'
---

## Overview

EIPStackGroup OpENer v2.3 / master commit 76b95cf contains a buffer overflow in the GetAttributeList() implementation for the EtherNet/IP Get_Attribute_List service. This allows a remote attacker to cause a denial of service

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · updated 2026-10-09 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-75350.json)