CVE-2025-20733

{
  "id": "CVE-2025-20733",
  "sourceIdentifier": "[email protected]",
  "published": "2025-11-04T07:15:38.567",
  "lastModified": "2026-10-18T21:10:00.120",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00441509; Issue ID: MSV-4138."
    },
    {
      "lang": "es",
      "value": "En el controlador del AP WLAN, existe una posible escritura fuera de límites debido a una verificación de límites incorrecta. Esto podría llevar a una escalada local de privilegios con privilegios de ejecución de usuario necesarios. No se necesita interacción del usuario para la explotación. ID del parche: WCNCR00441509; ID del problema: MSV-4138."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "MediaTek, Inc.",
          "product": "MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986",
          "versions": [
            {
              "version": "SDK release 7.6.7.2 and before / openWRT 19.07, 21.02",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
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      }
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        "ssvcData": {
          "timestamp": "2025-11-05T04:55:41.749573Z",
          "id": "CVE-2025-20733",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
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    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
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          "value": "CWE-122"
        }
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    {
      "source": "[email protected]",
      "type": "Primary",
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        }
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  "references": [
    {
      "url": "https://corp.mediatek.com/product-security-bulletin/November-2025",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}