{"id":"CVE-2026-75351","title":"OpENer v2.3/commit 76b95cf, contains an out-of-bounds read in the server-side EtherNet/IP ForwardOpen connection-path parser","summary":"OpENer v2.3/commit 76b95cf, contains an out-of-bounds read in the server-side EtherNet/IP ForwardOpen connection-path parser. 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-125"],"published":"2026-10-09","updated":"2026-10-09","sourceUpdated":"2026-10-09T21:17:05.990","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-75351","references":[{"url":"https://github.com/EIPStackGroup/OpENer","label":"cve@mitre.org"},{"url":"https://github.com/EIPStackGroup/OpENer/issues/574","label":"cve@mitre.org"},{"url":"https://github.com/EIPStackGroup/OpENer/issues/574","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"ingestedAt":"2026-10-09T20:11:26.052Z","slug":"CVE-2026-75351","body":"## Overview\n\nOpENer v2.3/commit 76b95cf, contains an out-of-bounds read in the server-side EtherNet/IP ForwardOpen connection-path parser. 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":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":218634,"id":"CVE-2026-75351","ts":1791584134138,"field":"cvss","old":null,"new":"7.5"},{"seq":218633,"id":"CVE-2026-75351","ts":1791584134138,"field":"severity","old":"none","new":"high"}]}