{"id":59430,"date":"2026-06-02T21:13:46","date_gmt":"2026-06-02T21:13:46","guid":{"rendered":"https:\/\/zero.redgem.net\/?p=59430"},"modified":"2026-06-02T21:13:46","modified_gmt":"2026-06-02T21:13:46","slug":"eipstackgroup-opener-sendrrdata-cipmessagerouterc-createmessagerouterrequeststructure-use-after-free","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=59430","title":{"rendered":"EIPStackGroup OpENer SendRRData cipmessagerouter.c CreateMessageRouterRequestStructure use after free_CVE-2026-10703"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A security vulnerability has been detected in EIPStackGroup OpENer up to 2.3.0. Affected is the function CreateMessageRouterRequestStructure of the file cipmessagerouter.c of the component SendRRData Handler. The manipulation leads to use after free. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.&#8221;,&#8221;published&#8221;:&#8221;2026-06-03T00:30:10.797Z&#8221;,&#8221;modified&#8221;:&#8221;2026-06-03T00:30:10.797Z&#8221;,&#8221;type&#8221;:&#8221;cve&#8221;,&#8221;title&#8221;:&#8221;EIPStackGroup OpENer SendRRData cipmessagerouter.c CreateMessageRouterRequestStructure use after free&#8221;,&#8221;source&#8221;:&#8221;VulDB&#8221;,&#8221;references&#8221;:&#8221;https:\/\/vuldb.com\/vuln\/368016\\nhttps:\/\/vuldb.com\/vuln\/368016\/cti\\nhttps:\/\/vuldb.com\/cve\/CVE-2026-10703\\nhttps:\/\/vuldb.com\/submit\/830921\\nhttps:\/\/github.com\/EIPStackGroup\/OpENer\/issues\/566\\nhttps:\/\/github.com\/user-attachments\/files\/27100961\/poc.zip\\nhttps:\/\/github.com\/EIPStackGroup\/OpENer\/&#8221;,&#8221;id&#8221;:&#8221;CVE-2026-10703&#8243;,&#8221;bulletinFamily&#8221;:&#8221;&#8221;,&#8221;cwe&#8221;:[&#8220;CWE-416&#8243;,&#8221;CWE-119&#8243;],&#8221;cvelist&#8221;:null,&#8221;sourceData&#8221;:&#8221;EIPStackGroup OpENer 2.0\\nEIPStackGroup OpENer 2.1\\nEIPStackGroup OpENer 2.2\\nEIPStackGroup OpENer 2.3.0&#8243;,&#8221;sourceHref&#8221;:&#8221;&#8221;,&#8221;cvss&#8221;:{&#8220;score&#8221;:5.3,&#8221;severity&#8221;:&#8221;MEDIUM&#8221;,&#8221;vector&#8221;:&#8221;CVSS:4.0\/AV:N\/AC:L\/AT:N\/PR:L\/UI:N\/VC:L\/VI:L\/VA:L\/SC:N\/SI:N\/SA:N\/E:P&#8221;,&#8221;version&#8221;:&#8221;4.0&#8243;},&#8221;cvss2&#8243;:{},&#8221;cvss3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;,&#8221;cvssV3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;}},&#8221;href&#8221;:&#8221;&#8221;,&#8221;category_name&#8221;:&#8221;CVE&#8221;,&#8221;post_link&#8221;:&#8221;&#8221;,&#8221;product&#8221;:&#8221;OpENer&#8221;,&#8221;version&#8221;:&#8221;2.0&#8243;,&#8221;vendor&#8221;:&#8221;EIPStackGroup&#8221;,&#8221;ai_description&#8221;:&#8221;&#8221;,&#8221;ai_severity&#8221;:&#8221;&#8221;,&#8221;ai_vendor&#8221;:&#8221;&#8221;,&#8221;ai_product&#8221;:&#8221;&#8221;,&#8221;ai_version&#8221;:&#8221;&#8221;,&#8221;ai_score&#8221;:0}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A security vulnerability has been detected in EIPStackGroup OpENer up to 2.3.0. Affected is the function CreateMessageRouterRequestStructure of the file cipmessagerouter.c of the component SendRRData&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,22,12,21,13,7,11,5],"class_list":["post-59430","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-53","tag-exploit","tag-medium","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>EIPStackGroup OpENer SendRRData cipmessagerouter.c CreateMessageRouterRequestStructure use after free_CVE-2026-10703 - zero redgem<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zero.redgem.net\/?p=59430\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"EIPStackGroup OpENer SendRRData cipmessagerouter.c CreateMessageRouterRequestStructure use after free_CVE-2026-10703 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A security vulnerability has been detected in EIPStackGroup OpENer up to 2.3.0. 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