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CVE-2026-86556

Estado: AplazadaMedia (5.3)—

There is an information disclosure vulnerability in ZTE U30 Air. Due to improper permission control, attackers can exploit the vulnerability to obtain relevant information.

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.

Acceso remoto sin autenticación (AV:N, PR:N) a aplicación expuesta ZTE U30 Air; CWE-269 indica control de permisos impropio permitiendo lectura de información sensible.

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 ScanningPrivileged Account ManagementNetwork SegmentationLimit Access to Resource Over NetworkFilter Network TrafficApplication Isolation and Sandboxing

Tecnologías afectadas (1)

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

ZTE — U30 AIRAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-86556",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-86556",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-30T14:37:44.482937Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@zte.com.cn",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@zte.com.cn",
      "affectedData": [
        {
          "vendor": "ZTE",
          "product": "U30 Air",
          "versions": [
            {
              "status": "affected",
              "version": "U30AirV1.0.0B31 and earlier"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-09-30T03:17:00.237",
  "references": [
    {
      "url": "https://support.zte.com.cn/zte-iccp-isupport-webui/bulletin/detail/3351503523831148854",
      "source": "psirt@zte.com.cn"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@zte.com.cn",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "There is an information disclosure vulnerability in ZTE U30 Air. Due to improper permission control, attackers can exploit the vulnerability to obtain relevant information."
    }
  ],
  "lastModified": "2026-09-30T16:29:22.650",
  "sourceIdentifier": "psirt@zte.com.cn"
}