CVE-2026-108971

Estado: AplazadaAlta (8.6)—

Gravedad8.6Alta · CVSS 4.0

Probabilidad de explotación0.22 %mayor que el 12 % de las CVE

Explotación activaNono figura en el catálogo de CISA

Exploit públicoNo conocidosin código público localizado

Se ha encontrado un fallo en D-Link DCS-930L B1.08B4. Esto afecta a la función mpfd_decode del archivo bootloader_region.bin del componente Emergency HTTP Recovery Server. La manipulación del argumento firmware puede llevar a una verificación inadecuada de la firma criptográfica. El ataque puede realizarse de forma remota. El exploit ha sido publicado y puede ser utilizado.

Traducción automática del texto original de NVD (en inglés).

CVSS

Puntuación base: 8.6
Versión: 4.0
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.22 %
Percentil entre todas las CVEs puntuadas: 12
Fecha de la puntuación: 20/10/2026

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).

Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1203 Exploitation for Client Executionexecution80 %
Impacto principalT1195.002 Compromise Software Supply Chaininitial access75 %
Impacto secundarioT1553.006 Code Signing Policy Modificationdefense impairment70 %

Vector CVSS con UI:P requiere interacción del usuario (manipulación de firmware vía HTTP Recovery). CWE-347 (improper verification of cryptographic signature) permite instalar firmware malicioso (T1195.002). Afecta a bootloader, permitiendo evasión de verificación de integridad (T1553.006).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

Mitigaciones ATT&CK que cubren estas técnicas

Update Software Vulnerability Scanning Restrict Registry Permissions Privileged Account Management Boot Integrity Application Isolation and Sandboxing

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Dlink — Dcs-930l^AI

CWE

CWE-345, CWE-347

Referencias

Mostrar las 6 referencias

JSON original (NVD)

Mostrar

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  "id": "CVE-2026-108971",
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      "affectedData": [
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          "vendor": "D-Link",
          "modules": [
            "Emergency HTTP Recovery Server"
          ],
          "product": "DCS-930L",
          "versions": [
            {
              "status": "affected",
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  "references": [
    {
      "url": "https://github.com/sweethub521/somevul/blob/main/dlink-dcs930l-bootloader-emergency-room-flash.md",
      "source": "cna@vuldb.com"
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    {
      "url": "https://vuldb.com/submit/999605",
      "source": "cna@vuldb.com"
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    {
      "url": "https://vuldb.com/vuln/416789",
      "source": "cna@vuldb.com"
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    {
      "lang": "en",
      "value": "A flaw has been found in D-Link DCS-930L B1.08B4. This impacts the function mpfd_decode of the file bootloader_region.bin of the component Emergency HTTP Recovery Server. Executing a manipulation of the argument firmware can lead to improper verification of cryptographic signature. The attack may be performed from remote. The exploit has been published and may be used."
    }
  ],
  "lastModified": "2026-10-14T14:17:36.380",
  "sourceIdentifier": "cna@vuldb.com"
}