JVN#33436631 Multiple Lenovo Tablets shipped with a known private test key for Android Verified Boot

{
  "id": "2d09fcd5a92c05e936b75f500ed73204e508a78194402e446fa95989595b05c5",
  "url": "https://jvn.jp/en/jp/JVN33436631/",
  "method": "llm",
  "payload": {
    "kind": "advisory",
    "title": "JVN#33436631 Multiple Lenovo Tablets shipped with a known private test key for Android Verified Boot",
    "summary": "Multiple Lenovo tablets ship with a known Android Verified Boot test key, allowing a crafted system image to be installed with physical access. The announcement directs users to update firmware or stop using unsupported products; it gives no fixed firmware versions.",
    "evidence": "Multiple Tablets provided by Lenovo are shipped with a known private test key for Android Verified Boot.",
    "products": [
      {
        "name": {
          "value": "Multiple Tablets",
          "evidence": "Multiple Tablets provided by Lenovo are shipped with a known private test key for Android Verified Boot."
        },
        "prerequisites": [
          {
            "value": "With physical access to the affected device",
            "evidence": "With physical access to the affected device, a crafted system image may be installed."
          }
        ],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-92777",
        "evidence": "CVE-2026-92777"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "official-jvn-english",
  "document_id": 23853,
  "published_at": "2026-10-20T03:00:15+00:00"
}