{
    "id": "CVE-2024-40890",
    "published": "2025-02-04 10:15:08",
    "last_modified": "2026-06-17 07:46:48",
    "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-78",
    "description": "**UNSUPPORTED WHEN ASSIGNED**\nA post-authentication command injection vulnerability in the CGI program of the legacy DSL CPE Zyxel VMG4325-B10A firmware version 1.00(AAFR.4)C0_20170615 could allow an authenticated attacker to execute operating system (OS) commands on an affected device by sending a crafted HTTP POST request.",
    "epss_score": "0.20703",
    "epss_percentile": "0.97457",
    "kev": 1,
    "kev_due": "2025-03-04",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:37:02",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2025-03-04."
    },
    "products": [
        {
            "vendor": "zyxel",
            "product": "sbg3300-n000"
        },
        {
            "vendor": "zyxel",
            "product": "sbg3300-n000_firmware"
        },
        {
            "vendor": "zyxel",
            "product": "sbg3300-nb00"
        },
        {
            "vendor": "zyxel",
            "product": "sbg3300-nb00_firmware"
        },
        {
            "vendor": "zyxel",
            "product": "sbg3500-n000_firmware"
        },
        {
            "vendor": "zyxel",
            "product": "sbg3500-nb00"
        },
        {
            "vendor": "zyxel",
            "product": "sbg3500-nb00_firmware"
        },
        {
            "vendor": "zyxel",
            "product": "vmg1312-b10a"
        },
        {
            "vendor": "zyxel",
            "product": "vmg1312-b10a_firmware"
        },
        {
            "vendor": "zyxel",
            "product": "vmg1312-b10b"
        },
        {
            "vendor": "zyxel",
            "product": "vmg1312-b10b_firmware"
        },
        {
            "vendor": "zyxel",
            "product": "vmg1312-b10e"
        },
        {
            "vendor": "zyxel",
            "product": "vmg1312-b10e_firmware"
        },
        {
            "vendor": "zyxel",
            "product": "vmg3312-b10a"
        },
        {
            "vendor": "zyxel",
            "product": "vmg3312-b10a_firmware"
        },
        {
            "vendor": "zyxel",
            "product": "vmg3313-b10a"
        },
        {
            "vendor": "zyxel",
            "product": "vmg3313-b10a_firmware"
        },
        {
            "vendor": "zyxel",
            "product": "vmg3926-b10b"
        },
        {
            "vendor": "zyxel",
            "product": "vmg3926-b10b_firmware"
        },
        {
            "vendor": "zyxel",
            "product": "vmg4325-b10a"
        },
        {
            "vendor": "zyxel",
            "product": "vmg4325-b10a_firmware"
        },
        {
            "vendor": "zyxel",
            "product": "vmg4380-b10a"
        },
        {
            "vendor": "zyxel",
            "product": "vmg4380-b10a_firmware"
        },
        {
            "vendor": "zyxel",
            "product": "vmg8324-b10a"
        },
        {
            "vendor": "zyxel",
            "product": "vmg8324-b10a_firmware"
        },
        {
            "vendor": "zyxel",
            "product": "vmg8924-b10a"
        },
        {
            "vendor": "zyxel",
            "product": "vmg8924-b10a_firmware"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2024-40890",
        "date_added": "2025-02-11",
        "due_date": "2025-03-04",
        "vendor": "Zyxel",
        "product": "DSL CPE Devices",
        "name": "Zyxel DSL CPE OS Command Injection Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-insecure-default-credentials-vulnerabilities-in-certain-legacy-dsl-cpe-02-04-2025",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-40890"
    ]
}