{
    "id": "CVE-2020-22079",
    "published": "2021-10-29 11:15:08",
    "last_modified": "2026-06-17 03:04:07",
    "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-787",
    "description": "Stack-based buffer overflow in Tenda AC-10U AC1200 Router US_AC10UV1.0RTL_V15.03.06.48_multi_TDE01 allows remote attackers to execute arbitrary code via the timeZone parameter to goform/SetSysTimeCfg.",
    "epss_score": "0.04170",
    "epss_percentile": "0.90632",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-08 18:17:24",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "tendacn",
            "product": "ac10u"
        },
        {
            "vendor": "tendacn",
            "product": "ac10u_firmware"
        },
        {
            "vendor": "tendacn",
            "product": "ac9"
        },
        {
            "vendor": "tendacn",
            "product": "ac9_firmware"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://cwe.mitre.org/data/definitions/121.html",
        "https://github.com/1sd3d/Tendown/tree/master/PoCs/Auth/bof11",
        "https://github.com/Lyc-heng/routers/blob/main/routers/stack1.md",
        "https://cwe.mitre.org/data/definitions/121.html",
        "https://github.com/1sd3d/Tendown/tree/master/PoCs/Auth/bof11",
        "https://github.com/Lyc-heng/routers/blob/main/routers/stack1.md"
    ]
}