CVE-2026-18269

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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 tchdr_bytestream_read Out-Of-Bounds Write 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 tchdr_bytestream_read function. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-28980."}, {"lang": "es", "value": "Vulnerabilidad de ejecuci\u00f3n de c\u00f3digo por escritura fuera de l\u00edmites en tchdr_bytestream_read 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 funci\u00f3n tchdr_bytestream_read. El problema resulta de la falta de validaci\u00f3n adecuada de los datos proporcionados por el usuario, lo que puede resultar en una escritura m\u00e1s all\u00e1 del final de un b\u00fafer asignado. Un atacante puede aprovechar esta vulnerabilidad para ejecutar c\u00f3digo en el contexto de root. Fue ZDI-CAN-28980."}], "id": "CVE-2026-18269", "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-2026-18269", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-26T19:41:28.699721Z", "version": "2.0.3"}}]}, "published": "2026-08-20T17:17:23.393", "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-26-486/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "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": "2026-08-20T21:45:05.470430+00:00", "updated": "2026-08-21T12:09:13.037937+00:00", "vendors": ["kenwood", "kenwood$PRODUCT$dnr1007xr"]}