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CVE-2020-14100

Status: ModifiedCritical (9.8)—

In Xiaomi router R3600 ROM version<1.0.66, filters in the set_WAN6 interface can be bypassed, causing remote code execution. The router administrator can gain root access from this vulnerability.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

MI — R3600 Firmware

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2020-14100",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 10,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
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        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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    "cvssMetricV31": [
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        "cvssData": {
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          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@xiaomi.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Xiaomi router R3600",
          "versions": [
            {
              "status": "affected",
              "version": "ROM version<1.0.66,fixed:Upgrade ROM Version =1.0.66"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-09-11T14:15:11.270",
  "references": [
    {
      "url": "https://privacy.mi.com/trust#/security/vulnerability-management/vulnerability-announcement/detail?id=20&locale=en",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@xiaomi.com"
    },
    {
      "url": "https://privacy.mi.com/trust#/security/vulnerability-management/vulnerability-announcement/detail?id=20&locale=en",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-77"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Xiaomi router R3600 ROM version<1.0.66, filters in the set_WAN6 interface can be bypassed, causing remote code execution. The router administrator can gain root access from this vulnerability."
    },
    {
      "lang": "es",
      "value": "En el enrutador Xiaomi R3600 ROM versiones anteriores a 1.0.66, los filtros en la interfaz set_WAN6 pueden ser omitidos, causando una ejecución de código remota.&#xa0;El administrador del enrutador puede conseguir acceso root a partir de esta vulnerabilidad"
    }
  ],
  "lastModified": "2026-06-17T02:54:13.697",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndExcluding": "1.0.66"
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        },
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          "negate": false,
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            }
          ],
          "operator": "OR"
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      "operator": "AND"
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  ],
  "sourceIdentifier": "security@xiaomi.com"
}