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CVE-2026-11523

Estado: AplazadaAlta (7.4)—

A flaw has been found in Tenda W20E 15.11.0.6. This issue affects the function formPortalAuth of the file /goform/PortalAuth of the component Web Management Interface. Executing a manipulation of the argument gotoUrl can lead to stack-based buffer overflow. The attack can be launched remotely. The exploit has been published and may be used.

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).

🎯 Técnicas ATT&CK

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

Buffer overflow en servicio web remoto (W20E) accesible con PR:L; ejecución de código arbitrario confirmada por CWE-119/121 (stack-based).

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

Privileged Account ManagementDisable or Remove Feature or ProgramVulnerability ScanningThreat Intelligence ProgramRestrict Web-Based ContentNetwork Segmentation

Tecnologías afectadas (1)

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

Tenda — W20eAI

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2026-11523",
  "cveTags": [],
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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          "id": "CVE-2026-11523",
          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
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          "version": "2.0.3",
          "timestamp": "2026-06-08T16:35:00.338505Z"
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          "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
          "authentication": "SINGLE",
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          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
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        "acInsufInfo": false,
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        "obtainAllPrivilege": false,
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        "obtainUserPrivilege": false,
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      }
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    "cvssMetricV31": [
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        "type": "Secondary",
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          "scope": "UNCHANGED",
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          "valueDensity": "NOT_DEFINED",
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          "exploitMaturity": "PROOF_OF_CONCEPT",
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          "modifiedUserInteraction": "NOT_DEFINED",
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          "subConfidentialityImpact": "NONE",
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          "modifiedAttackRequirements": "NOT_DEFINED",
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          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
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  "affected": [
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      "affectedData": [
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          "cpes": [
            "cpe:2.3:o:tenda:w20e_firmware:*:*:*:*:*:*:*:*"
          ],
          "vendor": "Tenda",
          "modules": [
            "Web Management Interface"
          ],
          "product": "W20E",
          "versions": [
            {
              "status": "affected",
              "version": "15.11.0.6"
            }
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      "url": "https://github.com/Robots10/IoT_vlu/blob/main/reports/Tenda/formPortalAuth/formPortalAuth.md",
      "source": "cna@vuldb.com"
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      "source": "cna@vuldb.com"
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    {
      "url": "https://vuldb.com/submit/836471",
      "source": "cna@vuldb.com"
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      "url": "https://vuldb.com/vuln/369143",
      "source": "cna@vuldb.com"
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    {
      "url": "https://vuldb.com/vuln/369143/cti",
      "source": "cna@vuldb.com"
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    {
      "url": "https://www.tenda.com.cn/",
      "source": "cna@vuldb.com"
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      "url": "https://github.com/Robots10/IoT_vlu/blob/main/reports/Tenda/formPortalAuth/formPortalAuth.md",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
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  "vulnStatus": "Deferred",
  "weaknesses": [
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      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        },
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw has been found in Tenda W20E 15.11.0.6. This issue affects the function formPortalAuth of the file /goform/PortalAuth of the component Web Management Interface. Executing a manipulation of the argument gotoUrl can lead to stack-based buffer overflow. The attack can be launched remotely. The exploit has been published and may be used."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado una falla en Tenda W20E 15.11.0.6. Este problema afecta a la función formPortalAuth del archivo /goform/PortalAuth del componente Interfaz de Gestión Web. La ejecución de una manipulación del argumento gotoUrl puede llevar a un desbordamiento de búfer basado en pila. El ataque puede ser lanzado remotamente. El exploit ha sido publicado y puede ser utilizado."
    }
  ],
  "lastModified": "2026-07-23T07:10:00.113",
  "sourceIdentifier": "cna@vuldb.com"
}