CVE-2021-40284

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{"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:dlink:dsl-3782_firmware:eu_1.01:*:*:*:*:*:*:*", "matchCriteriaId": "93FE0ED2-5072-4BA1-9B4A-AD60BAC5A7E0", "vulnerable": true}, {"criteria": "cpe:2.3:o:dlink:dsl-3782_firmware:eu_1.03:*:*:*:*:*:*:*", "matchCriteriaId": "C97588BE-77A1-40A1-BC6E-5DAD0536C198", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dsl-3782:-:*:*:*:*:*:*:*", "matchCriteriaId": "7F8D1900-34CB-45D3-8DF3-503E10B75E5B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "D-Link DSL-3782 EU v1.01:EU v1.03 is affected by a buffer overflow which can cause a denial of service. This vulnerability exists in the web interface \"/cgi-bin/New_GUI/Igmp.asp\". Authenticated remote attackers can trigger this vulnerability by sending a long string in parameter 'igmpsnoopEnable' via an HTTP request."}, {"lang": "es", "value": "D-Link DSL-3782 versiones EU v1.01:EU v1.03, est\u00e1 afectado por un desbordamiento de b\u00fafer que puede causar una denegaci\u00f3n de servicio. Esta vulnerabilidad se presenta en la interfaz web \"/cgi-bin/New_GUI/Igmp.asp\". Unos atacantes autenticados remotos pueden desencadenar esta vulnerabilidad mediante el env\u00edo de una cadena larga en el par\u00e1metro \"igmpsnoopEnable\" por medio de una petici\u00f3n HTTP"}], "id": "CVE-2021-40284", "lastModified": "2026-06-17T04:06:42.333", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 6.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-09T17:15:07.287", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10245"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.dlink.com/en/security-bulletin/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10245"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.dlink.com/en/security-bulletin/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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