{
    "id": "CVE-2021-27706",
    "published": "2021-04-14 15:15:14",
    "last_modified": "2026-06-17 03:45:22",
    "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-120",
    "description": "Buffer Overflow in Tenda G1 and G3 routers with firmware version V15.11.0.17(9502)_CN allows remote attackers to execute arbitrary code via a crafted action/\"IPMacBindIndex \"request. This occurs because the \"formIPMacBindDel\" function directly passes the parameter \"IPMacBindIndex\" to strcpy without limit.",
    "epss_score": "0.02828",
    "epss_percentile": "0.86231",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-11 18:17:25",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "tenda",
            "product": "g1"
        },
        {
            "vendor": "tenda",
            "product": "g1_firmware"
        },
        {
            "vendor": "tenda",
            "product": "g3"
        },
        {
            "vendor": "tenda",
            "product": "g3_firmware"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://hackmd.io/BhzJ4H20TjqKUiBrDOIKaw",
        "https://hackmd.io/BhzJ4H20TjqKUiBrDOIKaw"
    ]
}