CVE-2026-75345 PUBLISHED

OpENer v2.3.0 / commit 76b95cf contains an out-of-bounds read in the unconnected explicit messaging path. This allows a remote attacker to cause a denial of service.

• https://github.com/EIPStackGroup/OpENer/issues/569
• https://github.com/EIPStackGroup/OpENer/tree/76b95cf
• https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/cipmessagerouter.c
• https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/cipcommon.c
• https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/ciptcpipinterface.c
• https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/enet_encap/endianconv.c

• n/a text