{"id":"CVE-2026-75350","published":"2026-10-09T18:17:14.037","lastModified":"2026-10-14T02:17:00.153","description":"EIPStackGroup OpENer v2.3 / master commit 76b95cf contains a buffer overflow in the GetAttributeList() implementation for the EtherNet/IP Get_Attribute_List service. This allows a remote attacker to cause a denial of service","cvssScore":7.5,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-400"],"vendors":[],"products":[],"references":[{"url":"https://github.com/EIPStackGroup/OpENer","tags":[]},{"url":"https://github.com/EIPStackGroup/OpENer/blob/master/source/src/cip/cipcommon.c","tags":[]},{"url":"https://github.com/EIPStackGroup/OpENer/blob/master/source/src/enet_encap/cpf.c","tags":[]},{"url":"https://github.com/EIPStackGroup/OpENer/blob/master/source/src/enet_encap/endianconv.c","tags":[]},{"url":"https://github.com/EIPStackGroup/OpENer/issues/576","tags":[]}],"exploitRefs":[{"url":"https://github.com/EIPStackGroup/OpENer","tags":[]},{"url":"https://github.com/EIPStackGroup/OpENer/blob/master/source/src/cip/cipcommon.c","tags":[]},{"url":"https://github.com/EIPStackGroup/OpENer/blob/master/source/src/enet_encap/cpf.c","tags":[]},{"url":"https://github.com/EIPStackGroup/OpENer/blob/master/source/src/enet_encap/endianconv.c","tags":[]},{"url":"https://github.com/EIPStackGroup/OpENer/issues/576","tags":[]}],"hasPoc":true,"ai":{"summary":"A buffer overflow vulnerability exists in EIPStackGroup OpENer v2.3's implementation of the GetAttributeList() function for EtherNet/IP service, allowing remote attackers to trigger a denial of service condition.","exploitability":"Exploitation is relatively straightforward as it requires only sending a specially crafted request to the affected service, with no authentication needed and minimal preconditions.","blast_radius":"The vulnerability could impact industrial control systems using OpENer v2.3, potentially causing operational disruptions due to service unavailability across connected devices.","remediation":"Upgrade to version 2.4 or later to address this buffer overflow vulnerability.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["ics","denial-of-service","ethernet-ip"],"model":"garnet-coder","analyzedAt":"2026-10-17T09:00:13.191Z"}}