{
    "id": "CVE-2021-26709",
    "published": "2021-04-07 11:15:12",
    "last_modified": "2026-06-17 03:43:41",
    "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-787",
    "description": "D-Link DSL-320B-D1 devices through EU_1.25 are prone to multiple Stack-Based Buffer Overflows that allow unauthenticated remote attackers to take over a device via the login.xgi user and pass parameters. NOTE: This vulnerability only affects products that are no longer supported by the maintainer",
    "epss_score": "0.40081",
    "epss_percentile": "0.98594",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-02 18:17:29",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "EPSS 40.1% — above the 10% action threshold."
    },
    "products": [
        {
            "vendor": "d-link",
            "product": "dsl-320b-d1"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://packetstormsecurity.com/files/162133/D-Link-DSL-320B-D1-Pre-Authentication-Buffer-Overflow.html",
        "http://seclists.org/fulldisclosure/2021/Apr/15",
        "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10216",
        "https://www.dlink.com/en/security-bulletin",
        "http://packetstormsecurity.com/files/162133/D-Link-DSL-320B-D1-Pre-Authentication-Buffer-Overflow.html",
        "http://seclists.org/fulldisclosure/2021/Apr/15",
        "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10216",
        "https://www.dlink.com/en/security-bulletin"
    ]
}