{ "id": "CVE-2021-42659", "sourceIdentifier": "cve@mitre.org", "published": "2022-05-24T12:15:07.590", "lastModified": "2022-07-12T17:42:04.277", "vulnStatus": "Analyzed", "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 b\u00fafer en el servidor web httpd del router en los dispositivos de router Tenda, como Tenda AC9 versi\u00f3n V1.0 V15.03.02.19(6318) y Tenda AC9 versi\u00f3n V3.0 V15.03.06.42_multi. Cuando es configurado el servicio virtual, el programa httpd es bloqueado y sale cuando es producido el par\u00e1metro 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", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM" }, "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", "accessVector": "ADJACENT_NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.1 }, "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" ] } ] }