CVE-2023-40039

Estado: ModificadaCrítica (9.8)—
Gravedad9.8Crítica · CVSS 3.1
Probabilidad de explotación1.21 %mayor que el 68 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoNo conocidosin código público localizado

Se descubrió un problema en los dispositivos ARRIS TG852G, TG862G y TG1672G. Un atacante remoto (cerca de una red Wi-Fi) puede derivar el valor WPA2-PSK predeterminado observando un trama beacon.

CVSS

Puntuación base
9.8
Versión
3.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
1.21 %
Percentil entre todas las CVEs puntuadas
68
Fecha de la puntuación
23/10/2026

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 (3)

CWE

Referencias

Mostrar las 6 referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2023-40039",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-40039",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-09-26T15:17:58.273355Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "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": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:h:arris:tg852g:-:*:*:*:*:*:*:*"
          ],
          "vendor": "arris",
          "product": "tg852g",
          "versions": [
            {
              "status": "affected",
              "version": "tg852g"
            }
          ],
          "defaultStatus": "unknown"
        },
        {
          "cpes": [
            "cpe:2.3:h:arris:tg862g:-:*:*:*:*:*:*:*"
          ],
          "vendor": "arris",
          "product": "tg862g",
          "versions": [
            {
              "status": "affected",
              "version": "tg862g"
            }
          ],
          "defaultStatus": "unknown"
        },
        {
          "cpes": [
            "cpe:2.3:h:arris:tg1672g:-:*:*:*:*:*:*:*"
          ],
          "vendor": "arris",
          "product": "tg1672g",
          "versions": [
            {
              "status": "affected",
              "version": "tg1672g"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2023-09-11T07:15:08.123",
  "references": [
    {
      "url": "https://github.com/actuator/cve/blob/main/Arris/CVE-2023-40039",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://i.ebayimg.com/images/g/-UcAAOSwDe1kyD-Z/s-l1600.png",
      "tags": [
        "Product"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://i.ebayimg.com/images/g/4P0AAOSwdhxkrZtt/s-l1600.jpg",
      "tags": [
        "Product"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/actuator/cve/blob/main/Arris/CVE-2023-40039",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://i.ebayimg.com/images/g/-UcAAOSwDe1kyD-Z/s-l1600.png",
      "tags": [
        "Product"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://i.ebayimg.com/images/g/4P0AAOSwdhxkrZtt/s-l1600.jpg",
      "tags": [
        "Product"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered on ARRIS TG852G, TG862G, and TG1672G devices. A remote attacker (in proximity to a Wi-Fi network) can derive the default WPA2-PSK value by observing a beacon frame."
    },
    {
      "lang": "es",
      "value": "Se descubrió un problema en los dispositivos ARRIS TG852G, TG862G y TG1672G. Un atacante remoto (cerca de una red Wi-Fi) puede derivar el valor WPA2-PSK predeterminado observando un trama beacon."
    }
  ],
  "lastModified": "2026-06-17T06:15:53.223",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:arris:tg852g_firmware:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F8EABAC0-71D7-46FE-AB5F-10BBD5B3FC76"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:arris:tg852g:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "584B9F3B-7F6E-456D-B565-26CC69807A66"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:arris:tg862g_firmware:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B0965F2C-824E-403E-8A0D-87AA74B50723"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:arris:tg862g:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "446FE1F0-CA71-487F-9027-6EFC1A6F6AA3"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:arris:tg1672g_firmware:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DFA1BE57-DD35-4EDE-A4E5-BB775159275D"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:arris:tg1672g:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "26765359-B66A-48F5-B670-83AB46FF3BDD"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}