{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-11T11:18:18.249","vulnerabilities":[{"cve":{"id":"CVE-2020-6881","sourceIdentifier":"psirt@zte.com.cn","published":"2020-12-21T18:15:16.713","lastModified":"2024-11-21T05:36:20.723","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"ZTE E8810/E8820/E8822 series routers have an MQTT DoS vulnerability, which is caused by the failure of the device to verify the validity of abnormal messages. A remote attacker could connect to the MQTT server and send an MQTT exception message to the specified device, which will cause the device to deny service. This affects:<ZXHN E8810, ZXHN E8820, ZXHN E8822><E8810 V1.0.26, E8810 V2.0.1, E8820 V1.1.3L, E8820 V2.0.13, E8822 V2.0.13>"},{"lang":"es","value":"Los enrutadores de la serie ZTE E8810/E8820/E8822, presentan una vulnerabilidad de DoS de MQTT, que es causada por el fallo del dispositivo para verificar la validez de mensajes anormales.&#xa0;Un atacante remoto podría conectarse al servidor MQTT y enviar un mensaje de excepción MQTT al dispositivo especificado, lo que causará que el dispositivo deniegue el servicio.&#xa0;Esto afecta a: (ZXHN versión E8810, ZXHN versión E8820, ZXHN versión E8822)(E8810 versión V1.0.26, E8810 versión V2.0.1, E8820 versión V1.1.3L, E8820 versión V2.0.13, E8822 versión V2.0.13)"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-346"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:zte:zxhn_e8810_firmware:1.0.26:*:*:*:*:*:*:*","matchCriteriaId":"0FAEA9B3-F419-4BBC-804A-A4AF940D04E0"},{"vulnerable":true,"criteria":"cpe:2.3:o:zte:zxhn_e8810_firmware:2.0.1:*:*:*:*:*:*:*","matchCriteriaId":"BEA58C25-152D-4FC0-BFD6-CF83E1592F6C"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:zte:zxhn_e8810:-:*:*:*:*:*:*:*","matchCriteriaId":"8C4CD17E-7D74-496D-A940-5EE0384F9F32"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:zte:zxhn_e8820_firmware:1.1.3:*:*:*:*:*:*:*","matchCriteriaId":"B724E3DB-7BEF-4CBD-9993-E15D76769326"},{"vulnerable":true,"criteria":"cpe:2.3:o:zte:zxhn_e8820_firmware:2.0.13:*:*:*:*:*:*:*","matchCriteriaId":"89832348-13C9-4517-BD37-1809F470A459"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:zte:zxhn_e8820:-:*:*:*:*:*:*:*","matchCriteriaId":"AD8076BD-BDA8-4D23-9C64-9B943758A753"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:zte:zxhn_e8822_firmware:2.0.13:*:*:*:*:*:*:*","matchCriteriaId":"113C6C70-0972-430F-B204-F680570A04C4"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:zte:zxhn_e8822:-:*:*:*:*:*:*:*","matchCriteriaId":"878579E1-99D8-4BE0-858E-38A4B1A94FEC"}]}]}],"references":[{"url":"http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014202","source":"psirt@zte.com.cn","tags":["Vendor Advisory"]},{"url":"http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014202","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}