{
    "id": "CVE-2021-20158",
    "published": "2021-12-30 22:15:08",
    "last_modified": "2026-06-17 03:33:22",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-306",
    "description": "Trendnet AC2600 TEW-827DRU version 2.08B01 contains an authentication bypass vulnerability. It is possible for an unauthenticated, malicous actor to force the change of the admin password due to a hidden administrative command.",
    "epss_score": "0.10861",
    "epss_percentile": "0.95741",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-03 18:17:28",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "EPSS 10.9% — above the 10% action threshold."
    },
    "products": [
        {
            "vendor": "trendnet",
            "product": "tew-827dru"
        },
        {
            "vendor": "trendnet",
            "product": "tew-827dru_firmware"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://www.tenable.com/security/research/tra-2021-54",
        "https://www.tenable.com/security/research/tra-2021-54"
    ]
}