CVE-2026-75352: OpENer OpENer vulnerability

Published Oct 9, 2026

Updated

OpENer v2.3/commit 76b95cf, contains an integer underflow in the server-side EtherNet/IP ForwardOpen connection-path parser. This allows a remote attacker to cause a denial of service

Affected Software

1 affected component

OpENer OpENer=v2.3 (commit 76b95cf)

Event History

Oct 9, 2026

CVE Published

via MITRE·12:00 AM

Data Sourced

via MITRE·12:00 AM

Description

Frequently Asked Questions

What access does an attacker need to exploit this issue?

The issue is described as remotely exploitable, so an attacker needs network reachability to the affected server-side EtherNet/IP ForwardOpen connection-path parser. No authentication requirement is stated in the available data.

What is the likely impact of successful exploitation?

Successful exploitation can cause a denial of service. The available data does not describe impacts beyond service disruption.

Which releases are identified as affected?

The affected software is identified as OpENer v2.3 and commit 76b95cf. No fixed version or mitigation is provided in the available data.

CVE-2026-75352: OpENer OpENer vulnerability

Affected Software

Event History

Frequently Asked Questions

What access does an attacker need to exploit this issue?

What is the likely impact of successful exploitation?

Which releases are identified as affected?

Company

Resources

Contact

Frequently Asked Questions

What access does an attacker need to exploit this issue?

What is the likely impact of successful exploitation?

Which releases are identified as affected?