{
    "id": "CVE-2015-6016",
    "published": "2015-12-31 05:59:14",
    "last_modified": "2026-06-17 00:30:15",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.0",
    "cvss_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-255",
    "description": "ZyXEL P-660HW-T1 2 devices with ZyNOS firmware 3.40(AXH.0), PMG5318-B20A devices with firmware 1.00AANC0b5, and NBG-418N devices have a default password of 1234 for the admin account, which allows remote attackers to obtain administrative access via unspecified vectors.",
    "epss_score": "0.05731",
    "epss_percentile": "0.92836",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-06 18:17:13",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "zyxel",
            "product": "nbg-418n"
        },
        {
            "vendor": "zyxel",
            "product": "p-660hw-t1_2"
        },
        {
            "vendor": "zyxel",
            "product": "pmg5318-b20a_firmware"
        },
        {
            "vendor": "zyxel",
            "product": "zynos_firmware"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://www.securitytracker.com/id/1034552",
        "http://www.securitytracker.com/id/1034553",
        "http://www.securitytracker.com/id/1034554",
        "https://www.kb.cert.org/vuls/id/870744",
        "https://www.kb.cert.org/vuls/id/BLUU-9ZQU2R",
        "http://www.securitytracker.com/id/1034552",
        "http://www.securitytracker.com/id/1034553",
        "http://www.securitytracker.com/id/1034554",
        "https://www.kb.cert.org/vuls/id/870744",
        "https://www.kb.cert.org/vuls/id/BLUU-9ZQU2R"
    ]
}