CVE-2025-6151

Estado: ModificadaAlta (8.2)—

A vulnerability has been found in TP-Link TL-WR940N V4 and TL-WR841N V11. Affected by this issue is some unknown functionality of the file /userRpm/WanSlaacCfgRpm.htm, which may lead to buffer overflow. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.

CVSS

Versión: 4.0
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/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
Puntuación base: 8.2

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 4.95%
Percentil entre todas las CVEs puntuadas: 92
Fecha de la puntuación: 4/10/2026

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.

ExplotaciónT1210 Exploitation of Remote Serviceslateral movement85 %
Impacto principalT1499 Endpoint Denial of Serviceimpact75 %

Buffer overflow remoto (CWE-119/120) en servicio web (WanSlaacCfgRpm.htm) con privilegios altos requeridos (PR:H) sugiere explotación de servicio remoto. Disponibilidad afectada (VA:H, SA:H) indica potencial DoS.

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

Vulnerability Scanning Threat Intelligence Program Privileged Account Management Network Segmentation Filter Network Traffic Disable or Remove Feature or Program

Tecnologías afectadas (1)

Tp-link — Tl-wr940n Firmware

CWE

CWE-119, CWE-120
CWE-120

Referencias

JSON original (NVD)

Mostrar

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  "id": "CVE-2025-6151",
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          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
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          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
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      "lang": "en",
      "value": "A vulnerability has been found in \nTP-Link TL-WR940N V4 and TL-WR841N V11. Affected by this issue is some unknown \nfunctionality of the file /userRpm/WanSlaacCfgRpm.htm, which may lead to buffer overflow. The attack may be \nlaunched remotely. This vulnerability only affects products that are no longer \nsupported by the maintainer."
    },
    {
      "lang": "es",
      "value": "Se ha detectado una vulnerabilidad clasificada como crítica en el TP-Link TL-WR940N V4. Este problema afecta a una funcionalidad desconocida del archivo /userRpm/WanSlaacCfgRpm.htm. La manipulación del argumento dnsserver1 provoca un desbordamiento del búfer. El ataque puede ejecutarse en remoto. Se ha hecho público el exploit y puede que sea utilizado."
    }
  ],
  "lastModified": "2026-06-17T10:01:16.420",
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