CVE-2021-29294

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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-2740r_firmware:uk_1.01:*:*:*:*:*:*:*", "matchCriteriaId": "0BDDA186-105C-4582-BC11-5193DF7BCEB9", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dsl-2740r:-:*:*:*:*:*:*:*", "matchCriteriaId": "E9A4969B-C45A-4A25-B937-85498B198FD4", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [{"sourceIdentifier": "cve@mitre.org", "tags": ["unsupported-when-assigned"]}], "descriptions": [{"lang": "en", "value": "Null Pointer Dereference vulnerability exists in D-Link DSL-2740R UK_1.01, which could let a remove malicious user cause a denial of service via the send_hnap_unauthorized function. It could be triggered by sending crafted POST request to /HNAP1/. NOTE: The DSL-2740R and all hardware revisions are considered End of Life and as such this issue will not be patched"}, {"lang": "es", "value": "** NO COMPATIBLE CUANDO SE ASIGN\u00d3 ** Se presenta una vulnerabilidad de Desreferencia de Puntero Null en D-Link DSL-2740R versi\u00f3n UK_1.01, que podr\u00eda permitir a un usuario malicioso remoto causar una denegaci\u00f3n de servicio por medio de la funci\u00f3n send_hnap_unauthorized. Podr\u00eda desencadenarse mediante el env\u00edo de una petici\u00f3n POST dise\u00f1ada a /HNAP1/. NOTA: El DSL-2740R y todas las revisiones de hardware se consideran Fin de Vida y como tal, este problema no se parchea"}], "id": "CVE-2021-29294", "lastModified": "2026-06-17T03:47:29.510", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-08-10T20:15:08.457", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10213"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.dlink.com/en/security-bulletin/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10213"}, {"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-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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