{
    "id": "CVE-2019-3924",
    "published": "2019-02-20 20:29:03",
    "last_modified": "2026-06-17 02:35:52",
    "cvss_score": "7.5",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
    "cwe": "CWE-441",
    "description": "MikroTik RouterOS before 6.43.12 (stable) and 6.42.12 (long-term) is vulnerable to an intermediary vulnerability. The software will execute user defined network requests to both WAN and LAN clients. A remote unauthenticated attacker can use this vulnerability to bypass the router's firewall or for general network scanning activities.",
    "epss_score": "0.15697",
    "epss_percentile": "0.96754",
    "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": "mikrotik",
            "product": "routeros"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "46444",
            "title": "MikroTik RouterOS < 6.43.12 (stable) / < 6.42.12 (long-term) - Firewall and NAT Bypass",
            "date": "2019-02-21",
            "url": "https://www.exploit-db.com/exploits/46444"
        }
    ],
    "refs_list": [
        "http://www.securityfocus.com/bid/107177",
        "https://www.exploit-db.com/exploits/46444/",
        "https://www.tenable.com/security/research/tra-2019-07",
        "http://www.securityfocus.com/bid/107177",
        "https://www.exploit-db.com/exploits/46444/",
        "https://www.tenable.com/security/research/tra-2019-07"
    ]
}