{ "id": "CVE-2021-33270", "sourceIdentifier": "cve@mitre.org", "published": "2021-12-01T22:15:07.827", "lastModified": "2021-12-03T14:01:06.130", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function FUN_800462c4 in /formAdvFirewall. This vulnerability is triggered via a crafted POST request." }, { "lang": "es", "value": "Se ha detectado que los dispositivos D-Link DIR-809 con versi\u00f3n de firmware hasta DIR-809Ax_FW1.12WB03_20190410, contienen una vulnerabilidad de desbordamiento del b\u00fafer de la pila en la funci\u00f3n FUN_800462c4 en /formAdvFirewall. Esta vulnerabilidad es desencadenada por medio de una petici\u00f3n POST dise\u00f1ada" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL" }, "exploitabilityScore": 3.9, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "baseScore": 10.0 }, "baseSeverity": "HIGH", "exploitabilityScore": 10.0, "impactScore": 10.0, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-787" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:dlink:dir-809_firmware:*:*:*:*:*:*:*:*", "versionEndIncluding": "1.12wwb03", "matchCriteriaId": "83964738-E503-43D1-90AB-42C46699702B" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:dlink:dir-809:-:*:*:*:*:*:*:*", "matchCriteriaId": "4FD4771B-A3F0-4F1C-841C-D718AC7D8E40" } ] } ] } ], "references": [ { "url": "https://github.com/Lnkvct/IoT-poc/tree/master/D-Link-DIR809/vuln06", "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ] }, { "url": "https://www.dlink.com/en/security-bulletin/", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] } ] }