{
    "id": "CVE-2021-40409",
    "published": "2022-01-28 20:15:11",
    "last_modified": "2026-06-17 04:06:53",
    "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-78",
    "description": "An OS command injection vulnerability exists in the device network settings functionality of reolink RLC-410W v3.0.0.136_20121102. At [1] or [2], based on DDNS type, the ddns->password variable, that has the value of the password parameter provided through the SetDdns API, is not validated properly. This would lead to an OS command injection.",
    "epss_score": "0.03657",
    "epss_percentile": "0.89327",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-09 18:17:29",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "reolink",
            "product": "rlc-410w"
        },
        {
            "vendor": "reolink",
            "product": "rlc-410w_firmware"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424",
        "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424"
    ]
}