{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-17T07:19:36.208","vulnerabilities":[{"cve":{"id":"CVE-2018-21221","sourceIdentifier":"cve@mitre.org","published":"2020-04-28T17:15:12.867","lastModified":"2024-11-21T04:03:12.800","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, and R9000 before 1.0.2.52."},{"lang":"es","value":"Determinados dispositivos de NETGEAR están afectados por un desbordamiento del búfer por parte de un atacante no autenticado. Esto afecta a D3600 versiones anteriores a 1.0.0.67, D6000 versiones anteriores a 1.0.0.67, y R9000 versiones anteriores a 1.0.2.52."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}],"cvssMetricV30":[{"source":"cve@mitre.org","type":"Secondary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:A/AC:L/Au:N/C:P/I:P/A:P","baseScore":5.8,"accessVector":"ADJACENT_NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":6.5,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-120"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"1.0.2.52","matchCriteriaId":"679AAEA7-6415-4BBA-AE95-887C2CA609DC"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:*","matchCriteriaId":"D74F1BFC-562E-4E7D-BBAB-2F8B593B5A57"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:netgear:d6000_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"1.0.0.67","matchCriteriaId":"2089DF5E-598C-4CC2-B910-05C8D209A1BB"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:netgear:d6000:-:*:*:*:*:*:*:*","matchCriteriaId":"6F6EA344-FF99-4F27-9860-3C5BE07345A7"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:netgear:d3600_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"1.0.0.67","matchCriteriaId":"47FB5F9D-2B33-44AD-BD57-164DF945ADA7"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:netgear:d3600:-:*:*:*:*:*:*:*","matchCriteriaId":"31DE9D4E-3CDC-4552-A63F-DD5D95E23F63"}]}]}],"references":[{"url":"https://kb.netgear.com/000055116/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2459","source":"cve@mitre.org","tags":["Vendor Advisory"]},{"url":"https://kb.netgear.com/000055116/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2459","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}