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CVE-2020-26561

Estado: ModificadaAlta (8.8)—

Belkin LINKSYS WRT160NL 1.0.04.002_US_20130619 devices have a stack-based buffer overflow vulnerability because of sprintf in create_dir in mini_httpd. Successful exploitation leads to arbitrary code execution. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

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)

Belkin — Linksys WRT 160nl Firmware

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2020-26561",
  "cveTags": [
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      "tags": [
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      "sourceIdentifier": "cve@mitre.org"
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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          "id": "CVE-2020-26561",
          "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": "2024-04-24T17:34:47.660609Z"
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          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
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  "published": "2020-10-23T06:15:12.320",
  "references": [
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      "url": "https://research.nccgroup.com/2020/10/20/wrt160nl-cve-2020-26561-bof/",
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        "Third Party Advisory"
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-787"
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  "descriptions": [
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      "lang": "en",
      "value": "Belkin LINKSYS WRT160NL 1.0.04.002_US_20130619 devices have a stack-based buffer overflow vulnerability because of sprintf in create_dir in mini_httpd. Successful exploitation leads to arbitrary code execution. NOTE: This vulnerability only affects products that are no longer supported by the maintainer"
    },
    {
      "lang": "es",
      "value": "** NO SOPORTADO CUANDO SE ASIGNÓ ** Los dispositivos Belkin LINKSYS WRT160NL versión 1.0.04.002_US_20130619, presentan una vulnerabilidad de desbordamiento del búfer en la región stack de la memoria debido a sprintf en la función create_dir en el componente mini_httpd. Una explotación con éxito conlleva a una ejecución de código arbitrario. NOTA: Esta vulnerabilidad solo afecta a los productos que ya no son compatibles con el mantenedor"
    }
  ],
  "lastModified": "2026-06-17T03:08:12.133",
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