CVE-2026-51540

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).

References

• https://gist.github.com/MrAlaskan/5e0c2af7f4a1d188814c7fa8f812c8da
• https://github.com/EIPStackGroup/OpENer/issues/568