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    1 vulnerability found for OpenBlocks IoT DX1 by Plat'Home Co., Ltd.

    JVNDB-2026-001001

    Vulnerability from jvndb - Published: 2026-01-07 10:46 - Updated:2026-01-07 10:46
    Severity
    8.8 (High) - cvssV3_0 - CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Summary
    Authentication bypass vulnerability in OpenBlocks series
    Details
    OpenBlocks series provided by Plat'Home Co.,Ltd. contains the following vulnerability.
    • Authentication bypass (CWE-288) - CVE-2026-21411
    Chuya Hayakawa of 00One, Inc. reported this vulnerability to JPCERT/CC. JPCERT/CC coordinated with the developer.
    References
    Impacted products
    Show details on JVN DB website
    To clipboard 

    {
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-001001.html",
  "dc:date": "2026-01-07T10:46+09:00",
  "dcterms:issued": "2026-01-07T10:46+09:00",
  "dcterms:modified": "2026-01-07T10:46+09:00",
  "description": "OpenBlocks series provided by Plat\u0027Home Co.,Ltd. contains the following vulnerability.\u003cul\u003e\u003cli\u003eAuthentication bypass (CWE-288) - CVE-2026-21411\u003c/li\u003e\u003c/ul\u003eChuya Hayakawa of 00One, Inc. reported this vulnerability to JPCERT/CC.\r\nJPCERT/CC coordinated with the developer.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-001001.html",
  "sec:cpe": [
    {
      "#text": "cpe:/o:plathome:openblocks_idm_rx1_firmware",
      "@product": "OpenBlocks IDM RX1",
      "@vendor": "Plat\u0027Home Co., Ltd.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:plathome:openblocks_iot_dx1_firmware",
      "@product": "OpenBlocks IoT DX1",
      "@vendor": "Plat\u0027Home Co., Ltd.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:plathome:openblocks_iot_ex_bx_firmware",
      "@product": "OpenBlocks IoT EX/BX models",
      "@vendor": "Plat\u0027Home Co., Ltd.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:plathome:openblocks_iot_fx1_firmware",
      "@product": "OpenBlocks IoT FX1",
      "@vendor": "Plat\u0027Home Co., Ltd.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:plathome:openblocks_iot_vx2_firmware",
      "@product": "OpenBlocks IoT VX2",
      "@vendor": "Plat\u0027Home Co., Ltd.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:plathome:openblocks_ix9_with_fw_firmware",
      "@product": "OpenBlocks IX9 models with FW",
      "@vendor": "Plat\u0027Home Co., Ltd.",
      "@version": "2.2"
    }
  ],
  "sec:cvss": {
    "@score": "8.8",
    "@severity": "High",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-001001",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/vu/JVNVU97172240/index.html",
      "@id": "JVNVU#97172240",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-21411",
      "@id": "CVE-2026-21411",
      "@source": "CVE"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/288.html",
      "@id": "CWE-288",
      "@title": "Authentication Bypass Using an Alternate Path or Channel(CWE-288)"
    }
  ],
  "title": "Authentication bypass vulnerability in OpenBlocks series"
}