{"affected":[{"affectedData":[{"product":"i21","vendor":"Tenda","versions":[{"status":"affected","version":"1.0.0.14(4656)"}]}],"source":"cna@vuldb.com"},{"affectedData":[{"cpes":["cpe:2.3:h:tenda:i21:-:*:*:*:*:*:*:*"],"defaultStatus":"unknown","product":"i21","vendor":"tenda","versions":[{"status":"affected","version":"1.0.0.14(4656)"}]}],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:tenda:i21_firmware:1.0.0.14\\(4656\\):*:*:*:*:*:*:*","matchCriteriaId":"2A8E6370-3A83-4813-A1D8-A106DB130DCB","vulnerable":true}],"negate":false,"operator":"OR"},{"cpeMatch":[{"criteria":"cpe:2.3:h:tenda:i21:-:*:*:*:*:*:*:*","matchCriteriaId":"ECC76541-E312-4C4E-A906-C41951FADAD9","vulnerable":false}],"negate":false,"operator":"OR"}],"operator":"AND"}],"cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability has been found in Tenda i21 1.0.0.14(4656) and classified as critical. This vulnerability affects the function formQosManage_auto. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. The attack can be initiated remotely. VDB-262138 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way."},{"lang":"es","value":"Una vulnerabilidad ha sido encontrada en Tenda i21 1.0.0.14(4656) y clasificada como crítica. Esta vulnerabilidad afecta a la función formQosManage_auto. La manipulación del argumento ssidIndex provoca un desbordamiento de búfer en la región stack de la memoria. El ataque se puede iniciar de forma remota. VDB-262138 es el identificador asignado a esta vulnerabilidad. NOTA: Se contactó primeramente con el proveedor sobre esta divulgación, pero no respondió de ninguna manera."}],"id":"CVE-2024-4247","lastModified":"2026-06-17T08:01:31.313","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"HIGH","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"SINGLE","availabilityImpact":"COMPLETE","baseScore":9.0,"confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","vectorString":"AV:N/AC:L/Au:S/C:C/I:C/A:C","version":"2.0"},"exploitabilityScore":8.0,"impactScore":10.0,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"cna@vuldb.com","type":"Secondary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":2.8,"impactScore":5.9,"source":"cna@vuldb.com","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":2.8,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2024-4247","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","timestamp":"2024-04-29T16:10:23.729272Z","version":"2.0.3"}}]},"published":"2024-04-27T10:15:08.730","references":[{"source":"cna@vuldb.com","tags":["Broken Link"],"url":"https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formQosManage_auto.md"},{"source":"cna@vuldb.com","tags":["Permissions Required","Third Party Advisory","VDB Entry"],"url":"https://vuldb.com/?ctiid.262138"},{"source":"cna@vuldb.com","tags":["Third Party Advisory","VDB Entry"],"url":"https://vuldb.com/?id.262138"},{"source":"cna@vuldb.com","tags":["Third Party Advisory","VDB Entry"],"url":"https://vuldb.com/?submit.319832"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Broken Link"],"url":"https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formQosManage_auto.md"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Permissions Required","Third Party Advisory","VDB Entry"],"url":"https://vuldb.com/?ctiid.262138"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"url":"https://vuldb.com/?id.262138"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"url":"https://vuldb.com/?submit.319832"}],"sourceIdentifier":"cna@vuldb.com","vulnStatus":"Analyzed","weaknesses":[{"description":[{"lang":"en","value":"CWE-121"}],"source":"cna@vuldb.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-787"}],"source":"nvd@nist.gov","type":"Primary"}]}