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CVE-2025-55582

Estado: AnalizadaMedia (6.6)—

D-Link DCS-825L firmware v1.08.01 contains a vulnerability in the watchdog script `mydlink-watch-dog.sh`, which blindly respawns binaries such as `dcp` and `signalc` without verifying integrity, authenticity, or permissions. An attacker with local filesystem access (via physical access, firmware modification, or debug interfaces) can replace these binaries with malicious payloads. The script executes these binaries as root in an infinite loop, leading to persistent privilege escalation and arbitrary code execution. This issue is mitigated in v1.09.02, but the product is officially End-of-Life and unsupported.

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-2025-55582",
  "cveTags": [],
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          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "none"
            },
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              "automatable": "no"
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            {
              "technicalImpact": "total"
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          "version": "2.0.3",
          "timestamp": "2025-08-27T20:31:17.585620Z"
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          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
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  "affected": [
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  "published": "2025-08-27T20:15:33.113",
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      "lang": "en",
      "value": "D-Link DCS-825L firmware v1.08.01 contains a vulnerability in the watchdog script `mydlink-watch-dog.sh`, which blindly respawns binaries such as `dcp` and `signalc` without verifying integrity, authenticity, or permissions. An attacker with local filesystem access (via physical access, firmware modification, or debug interfaces) can replace these binaries with malicious payloads. The script executes these binaries as root in an infinite loop, leading to persistent privilege escalation and arbitrary code execution. This issue is mitigated in v1.09.02, but the product is officially End-of-Life and unsupported."
    },
    {
      "lang": "es",
      "value": "El firmware v1.08.01 de D-Link DCS-825L contiene una vulnerabilidad en el script de vigilancia `mydlink-watch-dog.sh`, que genera archivos binarios como `dcp` y `signalc` sin verificar su integridad, autenticidad ni permisos. Un atacante con acceso al sistema de archivos local (mediante acceso físico, modificación del firmware o interfaces de depuración) puede reemplazar estos archivos binarios con payloads maliciosos. El script ejecuta estos archivos binarios como root en un bucle infinito, lo que provoca una escalada persistente de privilegios y la ejecución de código arbitrario. Este problema se ha mitigado en la v1.09.02, pero el producto ha finalizado oficialmente su ciclo de vida y no recibe soporte."
    }
  ],
  "lastModified": "2026-06-17T09:41:50.810",
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