CVE-2026-18271

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{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "DNR1007XR", "vendor": "Kenwood", "versions": [{"status": "affected", "version": "1.7.0003.1000"}]}], "source": "zdi-disclosures@trendmicro.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Kenwood DNR1007XR vCardParser Heap-based Buffer Overflow Code Execution Vulnerability. This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Kenwood DNR1007XR devices. Authentication is not required to exploit this vulnerability.\n\nThe specific flaw exists within the vCardParser class. The issue results from the lack of proper validation of a user-supplied string before copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-28974."}, {"lang": "es", "value": "Vulnerabilidad de ejecuci\u00f3n de c\u00f3digo por desbordamiento de b\u00fafer basado en mont\u00edculo en el vCardParser de Kenwood DNR1007XR. Esta vulnerabilidad permite a atacantes presentes f\u00edsicamente ejecutar c\u00f3digo arbitrario en instalaciones afectadas de dispositivos Kenwood DNR1007XR. La autenticaci\u00f3n no es requerida para explotar esta vulnerabilidad.\n\nLa falla espec\u00edfica existe dentro de la clase vCardParser. El problema resulta de la falta de validaci\u00f3n adecuada de una cadena proporcionada por el usuario antes de copiarla a un b\u00fafer basado en mont\u00edculo. Un atacante puede aprovechar esta vulnerabilidad para ejecutar c\u00f3digo en el contexto de root. Fue ZDI-CAN-28974."}], "id": "CVE-2026-18271", "lastModified": "2026-10-18T20:10:00.110", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 0.9, "impactScore": 5.9, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-18271", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-26T19:41:17.285470Z", "version": "2.0.3"}}]}, "published": "2026-08-20T17:17:23.640", "references": [{"source": "zdi-disclosures@trendmicro.com", "url": "https://www.kenwood.com/cs/ce/mm/firmware/2020/2020f/eng.html"}, {"source": "zdi-disclosures@trendmicro.com", "url": "https://www.zerodayinitiative.com/advisories/ZDI-26-488/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "1.7.0003.1000"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "DNR1007XR", "source": "cna", "vendor": "Kenwood"}, "product": "dnr1007xr", "vendor": "kenwood"}], "created": "2026-08-20T20:00:05.761742+00:00", "updated": "2026-08-21T12:09:09.879698+00:00", "vendors": ["kenwood", "kenwood$PRODUCT$dnr1007xr"]}