{"id":"CVE-2026-75349","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-75349","generatedAt":"2026-10-28T02:57:52.379Z","title":"EIPStackGroup OpENer v2.3.0/master up to commit 76b95cf contains an out-of-bounds read vulnerability in Connection Manager request parsing.","description":"EIPStackGroup OpENer v2.3.0/master up to commit 76b95cf contains an out-of-bounds read vulnerability in Connection Manager request parsing. This allows a remote attacker to cause a denial of service.","published":"2026-10-09T16:17:30.000Z","lastModified":"2026-10-14T02:17:00.000Z","status":"Deferred","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-400"],"affected":[],"epss":{"score":0.00453,"percentile":0.39095,"date":"2026-10-26","history":[{"date":"2026-10-10","score":0.00453,"percentile":0.37437}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-09T16:17:30.000Z","detail":{"score":"7.5","severity":"HIGH","publishedAt":"2026-10-09T16:17:29.877Z"},"summary":"New CVE, high severity (CVSS 7.5)."}],"references":[{"url":"https://github.com/EIPStackGroup/OpENer","source":"cve@mitre.org"},{"url":"https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/cipconnectionmanager.c","source":"cve@mitre.org"},{"url":"https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/cipmessagerouter.c","source":"cve@mitre.org"},{"url":"https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/enet_encap/cpf.c","source":"cve@mitre.org"},{"url":"https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/enet_encap/encap.c","source":"cve@mitre.org"},{"url":"https://github.com/EIPStackGroup/OpENer/issues/577","source":"cve@mitre.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-75349","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}