{"id":"CVE-2026-75347","details":"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.","modified":"2026-10-28T02:31:10.857076296Z","published":"2026-10-09T00:00:00Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75347.json","cna_assigner":"mitre"},"references":[{"type":"WEB","url":"https://github.com/EIPStackGroup/OpENer/blob/master/source/src/enet_encap/cpf.c"},{"type":"WEB","url":"https://github.com/EIPStackGroup/OpENer/blob/master/source/src/enet_encap/encap.c"},{"type":"WEB","url":"https://github.com/EIPStackGroup/OpENer/blob/master/source/src/ports/generic_networkhandler.c"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75347.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-75347"},{"type":"REPORT","url":"https://github.com/EIPStackGroup/OpENer/issues/575"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/eipstackgroup/opener","events":[{"introduced":"0"},{"last_affected":"76b95cf"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"0"},{"last_affected":"76b95cf"}],"source":"DESCRIPTION"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-75347.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N"}]}