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CVE-2024-34195

Estado: AnalizadaCrítica (9.8)—

TOTOLINK AC1200 Wireless Router A3002R Firmware V1.1.1-B20200824 is vulnerable to Buffer Overflow. In the boa server program's CGI handling function formWlEncrypt, there is a lack of length restriction on the wlan_ssid field. This oversight leads to potential buffer overflow under specific circumstances. For instance, by invoking the formWlanRedirect function with specific parameters to alter wlan_idx's value and subsequently invoking the formWlEncrypt function, an attacker can trigger buffer overflow, enabling arbitrary command execution or denial of service attacks.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

CWE

Referencias

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  "id": "CVE-2024-34195",
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          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "poc"
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            {
              "automatable": "no"
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            {
              "technicalImpact": "total"
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          "version": "2.0.3",
          "timestamp": "2024-08-28T20:02:32.641184Z"
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          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
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  "published": "2024-08-28T20:15:07.580",
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      "value": "TOTOLINK AC1200 Wireless Router A3002R Firmware V1.1.1-B20200824 is vulnerable to Buffer Overflow. In the boa server program's CGI handling function formWlEncrypt, there is a lack of length restriction on the wlan_ssid field. This oversight leads to potential buffer overflow under specific circumstances. For instance, by invoking the formWlanRedirect function with specific parameters to alter wlan_idx's value and subsequently invoking the formWlEncrypt function, an attacker can trigger buffer overflow, enabling arbitrary command execution or denial of service attacks."
    },
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      "lang": "es",
      "value": "El firmware V1.1.1-B20200824 del enrutador inalámbrico TOTOLINK AC1200 A3002R es vulnerable a un desbordamiento de búfer. En la función de manejo de CGI formWlEncrypt del programa del servidor boa, no hay ninguna restricción de longitud en el campo wlan_ssid. Este descuido conduce a un posible desbordamiento de búfer en circunstancias específicas. Por ejemplo, al invocar la función formWlanRedirect con parámetros específicos para alterar el valor de wlan_idx y, posteriormente, invocar la función formWlEncrypt, un atacante puede provocar un desbordamiento de búfer, lo que permite la ejecución arbitraria de comandos o ataques de denegación de servicio."
    }
  ],
  "lastModified": "2026-06-17T07:33:02.383",
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