CVE-2026-13308

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{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "MaxiCharger AC Elite Home", "vendor": "Autel", "versions": [{"status": "affected", "version": "1.39.51"}]}], "source": "zdi-disclosures@trendmicro.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Autel MaxiCharger AC Elite Home WebSockets Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Autel MaxiCharger AC Elite Home EV chargers. Authentication is not required to exploit this vulnerability.\n\nThe specific flaw exists within the handling of WebSocket messages related to the OCPP service. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-29113."}, {"lang": "es", "value": "Vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo por subdesbordamiento de enteros de WebSockets en Autel MaxiCharger AC Elite Home. Esta vulnerabilidad permite a atacantes remotos ejecutar c\u00f3digo arbitrario en instalaciones afectadas de cargadores de VE Autel MaxiCharger AC Elite Home. No se requiere autenticaci\u00f3n para explotar esta vulnerabilidad.\n\nLa falla espec\u00edfica reside en el manejo de mensajes de WebSocket relacionados con el servicio OCPP. El problema se debe a la falta de validaci\u00f3n adecuada de los datos proporcionados por el usuario, lo que puede resultar en un subdesbordamiento de enteros antes de asignar un b\u00fafer. Un atacante puede aprovechar esta vulnerabilidad para ejecutar c\u00f3digo en el contexto del dispositivo. Fue ZDI-CAN-29113."}], "id": "CVE-2026-13308", "lastModified": "2026-10-24T13:10:00.147", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-13308", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-30T14:18:50.003364Z", "version": "2.0.3"}}]}, "published": "2026-07-29T21:17:46.490", "references": [{"source": "zdi-disclosures@trendmicro.com", "url": "https://www.zerodayinitiative.com/advisories/ZDI-26-437/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-191"}], "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.39.51"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "product": "maxicharger_ac_elite_home", "vendor": "autel"}], "created": "2026-07-30T14:01:17.531826+00:00", "updated": "2026-08-03T13:00:07.211406+00:00", "vendors": ["autel", "autel$PRODUCT$maxicharger_ac_elite_home"]}