CVE-2021-27252

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Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the vendor_specific DHCP opcode. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-12216."}, {"lang": "es", "value": "Esta vulnerabilidad permite a atacantes adyacentes a la red ejecutar c\u00f3digo arbitrario en las instalaciones afectadas de NETGEAR R7800 versiones de firmware 1.0.2.76. No es requerida una autenticaci\u00f3n para explotar esta vulnerabilidad. El fallo espec\u00edfico se presenta dentro del manejo del c\u00f3digo de operaci\u00f3n DHCP espec\u00edfico del proveedor. El problema resulta de una falta de comprobaci\u00f3n apropiada de una cadena suministrada por el usuario antes de usarla para ejecutar una llamada al sistema. Un atacante puede aprovechar esta vulnerabilidad para ejecutar c\u00f3digo en el contexto de root. Era ZDI-CAN-12216"}], "lastModified": "2021-04-27T14:49:52.450", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netgear:br200_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9680E98E-021B-4C71-AAA0-AEF49C6AD95F", "versionEndExcluding": "5.10.0.5"}], "operator": 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