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CVE-2020-14140

Estado: ModificadaAlta (7.5)—

When Xiaomi router firmware is updated in 2020, there is an unauthenticated API that can reveal WIFI password vulnerability. This vulnerability is caused by the lack of access control policies on some API interfaces. Attackers can exploit this vulnerability to enter the background and execute background command injection.

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)

MI — Xiaomi Router Firmware

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-14140",
  "cveTags": [],
  "metrics": {
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      {
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          "id": "CVE-2020-14140",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-02-18T17:09:07.172437Z"
        }
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    "cvssMetricV31": [
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
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          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
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          "confidentialityImpact": "HIGH"
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  "affected": [
    {
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          "vendor": "n/a",
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  "published": "2023-03-29T20:15:07.087",
  "references": [
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      "url": "https://trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=506",
      "tags": [
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      ],
      "source": "security@xiaomi.com"
    },
    {
      "url": "https://trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=506",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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      "type": "Secondary",
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    {
      "lang": "en",
      "value": "When Xiaomi router firmware is updated in 2020, there is an unauthenticated API that can reveal WIFI password vulnerability. This vulnerability is caused by the lack of access control policies on some API interfaces. Attackers can exploit this vulnerability to enter the background and execute background command injection."
    }
  ],
  "lastModified": "2026-06-17T02:54:16.883",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndExcluding": "2023.2",
              "versionStartIncluding": "2020"
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          "operator": "OR"
        }
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  ],
  "sourceIdentifier": "security@xiaomi.com"
}