{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-75349", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-10-09T15:40:54.562Z", "dateReserved": "2026-08-17T00:00:00.000Z", "datePublished": "2026-10-09T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-10-09T15:40:54.562Z"}, "descriptions": [{"lang": "en", "value": "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."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/EIPStackGroup/OpENer"}, {"url": "https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/cipmessagerouter.c"}, {"url": "https://github.com/EIPStackGroup/OpENer/issues/577"}, {"url": "https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/cipconnectionmanager.c"}, {"url": "https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/enet_encap/cpf.c"}, {"url": "https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/enet_encap/encap.c"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}}, "dataVersion": "5.2"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-75349", "lastModified": "2026-10-09T16:40:29.800", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-10-09T16:17:29.877", "references": [{"source": "cve@mitre.org", "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"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "v2.3.0/master up to commit 76b95cf"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "opener", "vendor": "eipstackgroup"}], "created": "2026-10-09T17:45:10.858352+00:00", "title": "Out\u2011of\u2011Bounds Read in OpENer Connection Manager Leading to Denial of Service", "updated": "2026-10-09T18:45:10.327774+00:00", "vendors": ["eipstackgroup", "eipstackgroup$PRODUCT$opener"], "weaknesses": ["CWE-179"]}