CVE-2026-3428

{
  "id": "CVE-2026-3428",
  "sourceIdentifier": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1",
  "published": "2026-04-16T03:16:26.937",
  "lastModified": "2026-10-26T21:10:00.170",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A Download of Code Without Integrity Check vulnerability in the update modules in ASUS Member Center(华硕大厅) allows a local user to achieve privilege escalation to Administrator via exploitation of a Time-of-check Time-of-use (TOC-TOU) during the update process, where an unexpected payload is substituted for a legitimate one immediately after download, and subsequently executed with administrative privileges upon user consent.\nRefer to the 'Security Update for ASUS Member Center' section on the ASUS Security Advisory for more information."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de Descarga de Código Sin Verificación de Integridad en los módulos de actualización en ASUS Member Center(????) permite a un usuario local lograr escalada de privilegios a Administrador mediante la explotación de un Time-of-check Time-of-use (TOC-TOU) durante el proceso de actualización, donde una carga útil inesperada se sustituye por una legítima inmediatamente después de la descarga, y posteriormente se ejecuta con privilegios administrativos tras el consentimiento del usuario.\nConsulte la sección ’Security Update for ASUS Member Center’ en el Aviso de Seguridad de ASUS para más información."
    }
  ],
  "affected": [
    {
      "source": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1",
      "affectedData": [
        {
          "vendor": "ASUS",
          "product": "Member Center(华硕大厅)",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "1.6.6.4 and earlier",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "attackRequirements": "PRESENT",
          "privilegesRequired": "LOW",
          "userInteraction": "PASSIVE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnAvailabilityImpact": "HIGH",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "NOT_DEFINED",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED"
        }
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-04-16T12:22:12.809026Z",
          "id": "CVE-2026-3428",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-367"
        },
        {
          "lang": "en",
          "value": "CWE-494"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.asus.com/security-advisory/",
      "source": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1"
    }
  ]
}