CVE-2026-51540

Published: Jul 13, 2026Modified: Jul 15, 2026

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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).

Related CWEs

CWE-191

Integer Underflow (Wrap or Wraparound)

The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

References (3)

https://gist.github.com/MrAlaskan/5e0c2af7f4a1d188814c7fa8f812c8da

Source: cve@mitre.org

https://github.com/EIPStackGroup/OpENer/issues/568

Source: cve@mitre.org

https://github.com/EIPStackGroup/OpENer/issues/568

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Timeline

No history available yet.