{"schema_version":1,"title":"EIPStackGroup OpENer vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 9 vulnerabilities in EIPStackGroup OpENer: 0 in the last 7 days and 7 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-51541, was published on 13 July 2026.","url":"https://junglewise.ai/threats/technologies/opener","json_url":"https://junglewise.ai/threats/technologies/opener.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/opener","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":9,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":7,"last_365_days":9},"latest":[{"cve":"CVE-2026-51541","cvss":7.5,"slug":"cve-2026-51541-eipstackgroup-opener-out-of-bounds-read-in-cip-message-parsing","title":"EIPStackGroup OpENer out-of-bounds read in CIP message parsing","severity":"info","exploited":false,"published_at":"2026-07-13T22:16:47.807+00:00","url":"https://junglewise.ai/threats/cve-2026-51541-eipstackgroup-opener-out-of-bounds-read-in-cip-message-parsing"},{"cve":"CVE-2026-51540","cvss":7.5,"slug":"cve-2026-51540-eipstackgroup-opener-integer-underflow-in-sendunitdata-processing","title":"EIPStackGroup OpENer integer underflow in SendUnitData processing","severity":"info","exploited":false,"published_at":"2026-07-13T22:16:47.703+00:00","url":"https://junglewise.ai/threats/cve-2026-51540-eipstackgroup-opener-integer-underflow-in-sendunitdata-processing"},{"cve":"CVE-2026-51538","cvss":0,"slug":"cve-2026-51538-eipstackgroup-opener-incorrect-access-control-in-encapsulation","title":"EIPStackGroup OpENer incorrect access control in encapsulation sessions","severity":"info","exploited":false,"published_at":"2026-07-13T22:16:47.497+00:00","url":"https://junglewise.ai/threats/cve-2026-51538-eipstackgroup-opener-incorrect-access-control-in-encapsulation"},{"cve":"CVE-2026-51537","cvss":7.5,"slug":"cve-2026-51537-eipstackgroup-opener-out-of-bounds-read-in-connection-manager","title":"EIPStackGroup OpENer out-of-bounds read in Connection Manager","severity":"info","exploited":false,"published_at":"2026-07-13T22:16:47.387+00:00","url":"https://junglewise.ai/threats/cve-2026-51537-eipstackgroup-opener-out-of-bounds-read-in-connection-manager"},{"cve":"CVE-2026-51536","cvss":7.5,"slug":"cve-2026-51536-eipstackgroup-opener-stack-buffer-overflow-in-cip-message-router","title":"EIPStackGroup OpENer stack buffer overflow in CIP message router","severity":"info","exploited":false,"published_at":"2026-07-13T22:16:47.263+00:00","url":"https://junglewise.ai/threats/cve-2026-51536-eipstackgroup-opener-stack-buffer-overflow-in-cip-message-router"},{"cve":"CVE-2026-51535","cvss":7.5,"slug":"cve-2026-51535-eipstackgroup-opener-resource-exhaustion-in-tcp-network-handler","title":"EIPStackGroup OpENer resource exhaustion in TCP Network Handler","severity":"info","exploited":false,"published_at":"2026-07-08T22:17:15+00:00","url":"https://junglewise.ai/threats/cve-2026-51535-eipstackgroup-opener-resource-exhaustion-in-tcp-network-handler"},{"cve":"CVE-2026-51221","cvss":7.5,"slug":"cve-2026-51221-eipstackgroup-opener-buffer-overflow-in-get-attribute-list","title":"EIPStackGroup OpENer buffer overflow in Get_Attribute_List","severity":"info","exploited":false,"published_at":"2026-06-29T22:16:49.07+00:00","url":"https://junglewise.ai/threats/cve-2026-51221-eipstackgroup-opener-buffer-overflow-in-get-attribute-list"},{"cve":"CVE-2026-10703","cvss":6.3,"slug":"cve-2026-10703-eipstackgroup-opener-use-after-free-in","title":"EIPStackGroup OpENer use after free in CreateMessageRouterRequestStructure","severity":"medium","exploited":false,"published_at":"2026-06-03T02:16:15.66+00:00","url":"https://junglewise.ai/threats/cve-2026-10703-eipstackgroup-opener-use-after-free-in"},{"cve":"CVE-2026-38719","cvss":6.2,"slug":"cve-2026-38719-eipstackgroup-opener-out-of-bounds-read-in-cpf-parser","title":"EIPStackGroup OpENer out-of-bounds read in CPF parser","severity":"medium","exploited":false,"published_at":"2026-05-18T17:16:32.127+00:00","url":"https://junglewise.ai/threats/cve-2026-38719-eipstackgroup-opener-out-of-bounds-read-in-cpf-parser"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":5},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"EIPStackGroup OpENer","slug":"opener","vendor":{"name":"EIPStackGroup","slug":"eipstackgroup","url":"https://junglewise.ai/threats/vendors/eipstackgroup"},"aliases":[],"category":"library","homepage":"https://github.com/EIPStackGroup/OpENer","repo_url":"https://github.com/EIPStackGroup/OpENer","description":"OpENer is an EtherNet/IP stack for I/O adapter devices, supporting multiple I/O and explicit connections.","url":"https://junglewise.ai/threats/technologies/opener"},"most_severe":[{"cve":"CVE-2026-10703","cvss":6.3,"slug":"cve-2026-10703-eipstackgroup-opener-use-after-free-in","title":"EIPStackGroup OpENer use after free in CreateMessageRouterRequestStructure","severity":"medium","exploited":false,"published_at":"2026-06-03T02:16:15.66+00:00","url":"https://junglewise.ai/threats/cve-2026-10703-eipstackgroup-opener-use-after-free-in"},{"cve":"CVE-2026-38719","cvss":6.2,"slug":"cve-2026-38719-eipstackgroup-opener-out-of-bounds-read-in-cpf-parser","title":"EIPStackGroup OpENer out-of-bounds read in CPF parser","severity":"medium","exploited":false,"published_at":"2026-05-18T17:16:32.127+00:00","url":"https://junglewise.ai/threats/cve-2026-38719-eipstackgroup-opener-out-of-bounds-read-in-cpf-parser"},{"cve":"CVE-2026-51541","cvss":7.5,"slug":"cve-2026-51541-eipstackgroup-opener-out-of-bounds-read-in-cip-message-parsing","title":"EIPStackGroup OpENer out-of-bounds read in CIP message parsing","severity":"info","exploited":false,"published_at":"2026-07-13T22:16:47.807+00:00","url":"https://junglewise.ai/threats/cve-2026-51541-eipstackgroup-opener-out-of-bounds-read-in-cip-message-parsing"},{"cve":"CVE-2026-51540","cvss":7.5,"slug":"cve-2026-51540-eipstackgroup-opener-integer-underflow-in-sendunitdata-processing","title":"EIPStackGroup OpENer integer underflow in SendUnitData processing","severity":"info","exploited":false,"published_at":"2026-07-13T22:16:47.703+00:00","url":"https://junglewise.ai/threats/cve-2026-51540-eipstackgroup-opener-integer-underflow-in-sendunitdata-processing"},{"cve":"CVE-2026-51537","cvss":7.5,"slug":"cve-2026-51537-eipstackgroup-opener-out-of-bounds-read-in-connection-manager","title":"EIPStackGroup OpENer out-of-bounds read in Connection Manager","severity":"info","exploited":false,"published_at":"2026-07-13T22:16:47.387+00:00","url":"https://junglewise.ai/threats/cve-2026-51537-eipstackgroup-opener-out-of-bounds-read-in-connection-manager"},{"cve":"CVE-2026-51536","cvss":7.5,"slug":"cve-2026-51536-eipstackgroup-opener-stack-buffer-overflow-in-cip-message-router","title":"EIPStackGroup OpENer stack buffer overflow in CIP message router","severity":"info","exploited":false,"published_at":"2026-07-13T22:16:47.263+00:00","url":"https://junglewise.ai/threats/cve-2026-51536-eipstackgroup-opener-stack-buffer-overflow-in-cip-message-router"},{"cve":"CVE-2026-51535","cvss":7.5,"slug":"cve-2026-51535-eipstackgroup-opener-resource-exhaustion-in-tcp-network-handler","title":"EIPStackGroup OpENer resource exhaustion in TCP Network Handler","severity":"info","exploited":false,"published_at":"2026-07-08T22:17:15+00:00","url":"https://junglewise.ai/threats/cve-2026-51535-eipstackgroup-opener-resource-exhaustion-in-tcp-network-handler"},{"cve":"CVE-2026-51221","cvss":7.5,"slug":"cve-2026-51221-eipstackgroup-opener-buffer-overflow-in-get-attribute-list","title":"EIPStackGroup OpENer buffer overflow in Get_Attribute_List","severity":"info","exploited":false,"published_at":"2026-06-29T22:16:49.07+00:00","url":"https://junglewise.ai/threats/cve-2026-51221-eipstackgroup-opener-buffer-overflow-in-get-attribute-list"},{"cve":"CVE-2026-51538","cvss":0,"slug":"cve-2026-51538-eipstackgroup-opener-incorrect-access-control-in-encapsulation","title":"EIPStackGroup OpENer incorrect access control in encapsulation sessions","severity":"info","exploited":false,"published_at":"2026-07-13T22:16:47.497+00:00","url":"https://junglewise.ai/threats/cve-2026-51538-eipstackgroup-opener-incorrect-access-control-in-encapsulation"}],"generated_at":"2026-09-26T09:11:00.170868+00:00"}