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CVE-2019-15801

Estado: ModificadaAlta (7.5)—

An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. The firmware image contains encrypted passwords that are used to authenticate users wishing to access a diagnostics or password-recovery menu. Using the hardcoded cryptographic key found elsewhere in the firmware, these passwords can be decrypted. This is related to fds_sys_passDebugPasswd_ret() and fds_sys_passRecoveryPasswd_ret() in libfds.so.0.0.

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 (9)

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2019-15801",
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          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
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        "impactScore": 2.9,
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        "obtainAllPrivilege": false,
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          "version": "3.1",
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          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "impactScore": 3.6,
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  "published": "2019-11-14T21:15:11.750",
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      "value": "An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. The firmware image contains encrypted passwords that are used to authenticate users wishing to access a diagnostics or password-recovery menu. Using the hardcoded cryptographic key found elsewhere in the firmware, these passwords can be decrypted. This is related to fds_sys_passDebugPasswd_ret() and fds_sys_passRecoveryPasswd_ret() in libfds.so.0.0."
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    {
      "lang": "es",
      "value": "Se descubrió un problema en los dispositivos Zyxel GS1900 con firmware anterior a la versión 2.50 (AAHH.0) C0. La imagen del firmware contiene contraseñas cifradas que se utilizan para autenticar a los usuarios que desean acceder a un menú de diagnóstico o recuperación de contraseña. Usando la clave criptográfica codificada que se encuentra en otra parte del firmware, estas contraseñas se pueden descifrar. Esto está relacionado con fds_sys_passDebugPasswd_ret () y fds_sys_passRecoveryPasswd_ret () en libfds.so.0.0."
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  "lastModified": "2026-06-17T02:21:06.140",
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