CVE-2026-51540

CriticalCVSS 9.8/10Last modified Aug 11, 2026

Description

OpENer 2.3.0 (master branch up to commit 76b95cf) is vulnerable to a severe memory corruption issue caused by an integer underflow in the processing of connected explicit messages (SendUnitData).

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-191

Affected software

No affected versions have been published.

Timeline

Published: Jul 13, 2026
Last modified: Aug 11, 2026
NVD status: Analyzed

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