{
    "id": "CVE-2019-3921",
    "published": "2019-03-05 21:29:00",
    "last_modified": "2026-06-17 02:35:52",
    "cvss_score": "8.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-121",
    "description": "The Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 is vulnerable to a stack buffer overflow via crafted HTTP POST request sent by a remote, authenticated attacker to /GponForm/usb_Form?script/. An attacker can leverage this vulnerability to potentially execute arbitrary code.",
    "epss_score": "0.17891",
    "epss_percentile": "0.97089",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-30 18:17:23",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "nokia",
            "product": "i-240w-q_gpon_ont"
        },
        {
            "vendor": "nokia",
            "product": "i-240w-q_gpon_ont_firmware"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "46469",
            "title": "Alcatel-Lucent (Nokia) GPON I-240W-Q - Buffer Overflow",
            "date": "2019-02-28",
            "url": "https://www.exploit-db.com/exploits/46469"
        }
    ],
    "refs_list": [
        "https://www.exploit-db.com/exploits/46469/",
        "https://www.tenable.com/security/research/tra-2019-09",
        "https://www.exploit-db.com/exploits/46469/",
        "https://www.tenable.com/security/research/tra-2019-09"
    ]
}