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CVE-2026-102168

Estado: RecibidaAlta (7.1)—

On affected Arista Wi-Fi access points with Captive Portal enabled, an unauthenticated wireless client connected to a Captive-Portal-enabled SSID can crash the portal service with a crafted HTTP request. This results in a temporary denial of service until the service automatically restarts. Remote code execution is not possible.

CVSS

Probabilidad de explotación (EPSS)

FIRST aún no ha puntuado esta CVE (habitual en CVEs muy recientes o rechazadas).

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.

Acceso desde red adyacente (AV:A) sin privilegios ni interacción; fallo de servicio (VA:H) mediante solicitud HTTP crafted. T1499.004 por DoS a aplicación web (Captive Portal).

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 ScanningThreat Intelligence ProgramPrivileged Account ManagementNetwork SegmentationFilter Network TrafficDisable or Remove Feature or Program

Tecnologías afectadas (1)

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

Arista — Wi-fi Access PointAI

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2026-102168",
  "cveTags": [],
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        "ssvcData": {
          "id": "CVE-2026-102168",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-06T20:06:24.609870Z"
        }
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    ],
    "cvssMetricV31": [
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        "type": "Secondary",
        "source": "psirt@arista.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
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      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "psirt@arista.com",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 7.1,
          "Automatable": "NOT_DEFINED",
          "attackVector": "ADJACENT",
          "baseSeverity": "HIGH",
          "valueDensity": "NOT_DEFINED",
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          "exploitMaturity": "NOT_DEFINED",
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          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "HIGH",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
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          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
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  },
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    {
      "source": "psirt@arista.com",
      "affectedData": [
        {
          "vendor": "Arista Networks",
          "product": "Wi-Fi Access Points",
          "versions": [
            {
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              "version": "22.0.0",
              "versionType": "custom",
              "lessThanOrEqual": "22.0.1F-32"
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              "status": "affected",
              "version": "21.3.0",
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            },
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          ],
          "platforms": [
            "Wi-Fi Access Points"
          ],
          "defaultStatus": "unaffected"
        }
      ]
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  ],
  "published": "2026-10-06T20:17:12.067",
  "references": [
    {
      "url": "https://www.arista.com/en/support/advisories-notices/security-advisory/24810-security-advisory-0194",
      "source": "psirt@arista.com"
    }
  ],
  "vulnStatus": "Received",
  "weaknesses": [
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      "source": "psirt@arista.com",
      "description": [
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      ]
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    {
      "lang": "en",
      "value": "On affected Arista Wi-Fi access points with Captive Portal enabled, an unauthenticated wireless client connected to a Captive-Portal-enabled SSID can crash the portal service with a crafted HTTP request. This results in a temporary denial of service until the service automatically restarts. Remote code execution is not possible."
    }
  ],
  "lastModified": "2026-10-06T21:17:03.843",
  "sourceIdentifier": "psirt@arista.com"
}