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CVE-2025-59818

Estado: AnalizadaCrítica (9.8)—

This vulnerability allows authenticated attackers to execute arbitrary commands on the underlying system using the file name of an uploaded file.

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.

Vector CVSS crítico en red sin autenticación previa (AV:N/PR:N/UI:N). Descripción explícita de ejecución de comandos arbitrarios mediante archivo subido. CWE-77 (improper neutralization) refuerza inyección de comandos.

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

Privileged Account ManagementVulnerability ScanningRestrict Web-Based ContentNetwork SegmentationLimit Software InstallationLimit Access to Resource Over Network

Tecnologías afectadas (1)

Zenitel — Tcis-3 Firmware

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2025-59818",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-59818",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-02-04T15:10:41.114193Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cert@ncsc.nl",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 10,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "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": "cert@ncsc.nl",
      "affectedData": [
        {
          "vendor": "Zenitel",
          "product": "TCIS-3+",
          "versions": [
            {
              "status": "affected",
              "version": "<9.2.3.3",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-02-04T11:16:01.233",
  "references": [
    {
      "url": "https://wiki.zenitel.com/wiki/Turbine_9.3_-_Release_notes",
      "tags": [
        "Release Notes"
      ],
      "source": "cert@ncsc.nl"
    },
    {
      "url": "https://wiki.zenitel.com/wiki/VSF-Display_Series_9.3_Release_Notes",
      "tags": [
        "Release Notes"
      ],
      "source": "cert@ncsc.nl"
    },
    {
      "url": "https://wiki.zenitel.com/wiki/VSF-Fortitude6_9.3_Release_Notes",
      "tags": [
        "Release Notes"
      ],
      "source": "cert@ncsc.nl"
    },
    {
      "url": "https://wiki.zenitel.com/wiki/VSF-Fortitude8_9.3_Release_Notes",
      "tags": [
        "Release Notes"
      ],
      "source": "cert@ncsc.nl"
    },
    {
      "url": "https://wiki.zenitel.com/wiki/ZIPS_9.3_-_Release_notes",
      "tags": [
        "Release Notes"
      ],
      "source": "cert@ncsc.nl"
    },
    {
      "url": "https://www.zenitel.com/sites/default/files/2025-12/A100K12333%20Zenitel%20Security%20Advisory.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cert@ncsc.nl"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-77"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "This vulnerability allows authenticated attackers to execute arbitrary commands on the underlying system using the file name of an uploaded file."
    },
    {
      "lang": "es",
      "value": "Esta vulnerabilidad permite a atacantes autenticados ejecutar comandos arbitrarios en el sistema subyacente usando el nombre de archivo de un archivo subido."
    }
  ],
  "lastModified": "2026-06-17T09:46:45.667",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zenitel:tcis-3_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1B689976-D6D7-4D27-907B-9866767A4045",
              "versionEndExcluding": "9.2.3.3"
            }
          ],
          "operator": "OR"
        },
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          "negate": false,
          "cpeMatch": [
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            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "cert@ncsc.nl"
}