CVE-2026-51221: Buffer Overflow

Published Jun 29, 2026

Updated

A buffer overflow in the GetAttributeList function of EIPStackGroup OpENer commit 76b95c allows attackers to cause a Denial of Service (DoS) via supplying a crafted Common Packet Format (CPF) packet.

Affected Software

1 affected component

EIPStackGroup OpENer

Event History

Jun 29, 2026

CVE Published

via MITRE·12:00 AM

Data Sourced

via MITRE·12:00 AM

Description

Data Sourced

via NVD·10:16 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What level of access does an attacker need?

The CVSS vector indicates network access is sufficient, with no privileges or user interaction required. Exploitation requires sending a crafted Common Packet Format packet to a vulnerable OpENer instance.

What is the expected security impact?

The reported impact is denial of service. The CVSS vector indicates high availability impact and no reported confidentiality or integrity impact.

Which code version is identified as affected?

The report identifies EIPStackGroup OpENer commit 76b95c. No affected version range or fixed version is provided.

CVE-2026-51221: Buffer Overflow

Affected Software

Event History

Frequently Asked Questions

What level of access does an attacker need?

What is the expected security impact?

Which code version is identified as affected?

Company

Resources

Contact

Frequently Asked Questions

What level of access does an attacker need?

What is the expected security impact?

Which code version is identified as affected?