{"id":"CVE-2026-75347","title":"EIPStackGroup OpENer v2.3 and master up to commit 76b95cf contain an expired pointer dereference vulnerability in the EtherNet/IP Common Packet Format (CPF) handling logic","summary":"EIPStackGroup OpENer v2.3 and master up to commit 76b95cf contain an expired pointer dereference vulnerability in the EtherNet/IP Common Packet Format (CPF) handling logic. This allows a remote attacker to cause a denial of service.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-400"],"published":"2026-10-09","updated":"2026-10-13","sourceUpdated":"2026-10-13T17:17:45.810","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-75347","references":[{"url":"https://github.com/EIPStackGroup/OpENer/blob/master/source/src/enet_encap/cpf.c","label":"cve@mitre.org"},{"url":"https://github.com/EIPStackGroup/OpENer/blob/master/source/src/enet_encap/encap.c","label":"cve@mitre.org"},{"url":"https://github.com/EIPStackGroup/OpENer/blob/master/source/src/ports/generic_networkhandler.c","label":"cve@mitre.org"},{"url":"https://github.com/EIPStackGroup/OpENer/issues/575","label":"cve@mitre.org"},{"url":"https://github.com/EIPStackGroup/OpENer/issues/575","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00505,"epssPercentile":0.42948,"ingestedAt":"2026-10-09T18:07:39.419Z","exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-13T16:30:04.963864Z"},"slug":"CVE-2026-75347","body":"## Overview\n\nEIPStackGroup OpENer v2.3 and master up to commit 76b95cf contain an expired pointer dereference vulnerability in the EtherNet/IP Common Packet Format (CPF) handling logic. This allows a remote attacker to cause a denial of service.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":221004,"id":"CVE-2026-75347","ts":1792026963727,"field":"exploit_available","old":"false","new":"true"}]}