{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:marvell:88w8787_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "9F39F8E8-71BA-4B65-B9ED-A77C22ACC347", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:marvell:88w8787:-:*:*:*:*:*:*:*", "matchCriteriaId": "81A318BA-DA8C-4187-83C1-DF33F22ADAB2", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:marvell:88w8797_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "F09820C5-1236-4CF7-82C1-51BEA0CC6F23", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:marvell:88w8797:-:*:*:*:*:*:*:*", "matchCriteriaId": "7EDA2773-64A7-4542-AFA5-C50E98B1D777", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:marvell:88w8801_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "503E5BD9-C74D-4EE3-8D24-67D775A1F7B7", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:marvell:88w8801:-:*:*:*:*:*:*:*", "matchCriteriaId": "51299556-10BC-4777-9F87-99F16B73802C", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:marvell:88w8897_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "8C579C09-DCDA-4CD7-BCD8-2B0F189956F6", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:marvell:88w8897:-:*:*:*:*:*:*:*", "matchCriteriaId": "A658EA96-AF63-4525-ADE3-25A4D8D6ED23", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:marvell:88w8997_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "529F148A-520B-4191-99D3-9C77074347CE", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:marvell:88w8997:-:*:*:*:*:*:*:*", "matchCriteriaId": "83D596AB-60EB-4E71-9D17-D01B1DD12DAD", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The ThreadX-based firmware on Marvell Avastar Wi-Fi devices, models 88W8787, 88W8797, 88W8801, 88W8897, and 88W8997, allows remote attackers to execute arbitrary code or cause a denial of service (block pool overflow) via malformed Wi-Fi packets during identification of available Wi-Fi networks. Exploitation of the Wi-Fi device can lead to exploitation of the host application processor in some cases, but this depends on several factors including host OS hardening and the availability of DMA."}, {"lang": "es", "value": "El firmware basado en ThreadX de los dispositivos wifi de Marvell Avastar, en modelos 88W8787, 88W8797, 88W8801, 88W8897 y 88W8997, permite que los atacantes remotos ejecuten c\u00f3digo arbitrario o provoquen una denegaci\u00f3n de servicio (desbordamiento del grupo de bloques) mediante paquetes wifi mal formados durante la identificaci\u00f3n de redes wifi disponibles. La explotaci\u00f3n del dispositivo wifi puede conducir a la explotaci\u00f3n del procesador de la aplicaci\u00f3n host en algunos casos, pero esto depende de varios factores, incluyendo el bastionado del sistema operativo del host y la disponibilidad de DMA."}], "id": "CVE-2019-6496", "lastModified": "2026-06-17T02:39:08.407", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 8.3, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:A/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 6.5, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-01-20T20:29:00.917", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/106865"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://2018.zeronights.ru/wp-content/uploads/materials/19-Researching-Marvell-Avastar-Wi-Fi.pdf"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://embedi.org/blog/remotely-compromise-devices-by-using-bugs-in-marvell-avastar-wi-fi-from-zero-knowledge-to-zero-click-rce/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://www.kb.cert.org/vuls/id/730261/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.scribd.com/document/398350818/WiFi-CVE-2019-6496-Marvell-s-Statement"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.synology.com/security/advisory/Synology_SA_19_07"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Press/Media Coverage", "Third Party Advisory"], "url": "https://www.zdnet.com/article/wifi-firmware-bug-affects-laptops-smartphones-routers-gaming-devices/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/106865"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://2018.zeronights.ru/wp-content/uploads/materials/19-Researching-Marvell-Avastar-Wi-Fi.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://embedi.org/blog/remotely-compromise-devices-by-using-bugs-in-marvell-avastar-wi-fi-from-zero-knowledge-to-zero-click-rce/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://www.kb.cert.org/vuls/id/730261/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.scribd.com/document/398350818/WiFi-CVE-2019-6496-Marvell-s-Statement"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.synology.com/security/advisory/Synology_SA_19_07"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Press/Media Coverage", "Third Party Advisory"], "url": "https://www.zdnet.com/article/wifi-firmware-bug-affects-laptops-smartphones-routers-gaming-devices/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}