{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-11T14:25:23.544","vulnerabilities":[{"cve":{"id":"CVE-2021-25309","sourceIdentifier":"cve@mitre.org","published":"2021-03-02T01:15:12.697","lastModified":"2024-11-21T05:54:43.047","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"The telnet administrator service running on port 650 on Gigaset DX600A v41.00-175 devices does not implement any lockout or throttling functionality. This situation (together with the weak password policy that forces a 4-digit password) allows remote attackers to easily obtain administrative access via brute-force attacks."},{"lang":"es","value":"El servicio de administrador de telnet que se ejecuta en el puerto 650 en los dispositivos Gigaset DX600A versión v41.00-175, no implementa ninguna funcionalidad de bloqueo o limitación. Esta situación (junto con la política de contraseña débil que forza una contraseña de 4 dígitos) permite a los atacantes remotos obtener fácilmente acceso administrativo por medio de ataques de fuerza bruta"}],"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:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N","baseScore":5.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"},"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-307"},{"lang":"en","value":"CWE-521"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:gigaset:dx600a_firmware:v41.00-175:*:*:*:*:*:*:*","matchCriteriaId":"B2901068-0F89-4C0A-BF34-022FF692511B"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:gigaset:dx600a:-:*:*:*:*:*:*:*","matchCriteriaId":"38B1ABF1-D851-438F-903A-EA0F36D74B35"}]}]}],"references":[{"url":"https://research.nccgroup.com/2021/02/28/technical-advisory-administrative-passcode-recovery-and-authenticated-remote-buffer-overflow-vulnerabilities-in-gigaset-dx600a-handset-cve-2021-25309-cve-2021-25306/","source":"cve@mitre.org","tags":["Third Party Advisory"]},{"url":"https://research.nccgroup.com/2021/02/28/technical-advisory-administrative-passcode-recovery-and-authenticated-remote-buffer-overflow-vulnerabilities-in-gigaset-dx600a-handset-cve-2021-25309-cve-2021-25306/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}