{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T00:34:23.765","vulnerabilities":[{"cve":{"id":"CVE-2021-42659","sourceIdentifier":"cve@mitre.org","published":"2022-05-24T12:15:07.590","lastModified":"2024-11-21T06:27:55.827","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"There is a buffer overflow vulnerability in the Web server httpd of the router in Tenda router devices such as Tenda AC9 V1.0 V15.03.02.19(6318) and Tenda AC9 V3.0 V15.03.06.42_multi. When setting the virtual service, the httpd program will crash and exit when the super-long list parameter occurs."},{"lang":"es","value":"Se presenta una vulnerabilidad de desbordamiento de búfer en el servidor web httpd del router en los dispositivos de router Tenda, como Tenda AC9 versión V1.0 V15.03.02.19(6318) y Tenda AC9 versión V3.0 V15.03.06.42_multi. Cuando es configurado el servicio virtual, el programa httpd es bloqueado y sale cuando es producido el parámetro de lista superlarga"}],"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:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:A/AC:L/Au:N/C:N/I:N/A:C","baseScore":6.1,"accessVector":"ADJACENT_NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"},"baseSeverity":"MEDIUM","exploitabilityScore":6.5,"impactScore":6.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-119"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:tenda:ac9_firmware:15.03.05.19\\(6318\\):*:*:*:*:*:*:*","matchCriteriaId":"D8F25141-8B57-463D-AB97-F52C0143973C"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:tenda:ac9:1.0:*:*:*:*:*:*:*","matchCriteriaId":"566DA530-18FC-4A46-95B4-2A7D343A96A7"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:tenda:ac9_firmware:15.03.06.42_multi:*:*:*:*:*:*:*","matchCriteriaId":"7AE11228-D2BB-48CF-BFDA-E2AA73E73C3C"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:tenda:ac9:3.0:*:*:*:*:*:*:*","matchCriteriaId":"7F482F89-B0F6-450D-B675-43EC0A9E6A4B"}]}]}],"references":[{"url":"https://github.com/Lyc-heng/routers/blob/main/routers/stack4.md","source":"cve@mitre.org","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.cnvd.org.cn/flaw/show/CNVD-2021-24948","source":"cve@mitre.org","tags":["Third Party Advisory"]},{"url":"https://github.com/Lyc-heng/routers/blob/main/routers/stack4.md","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.cnvd.org.cn/flaw/show/CNVD-2021-24948","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}