{
  "id": "CVE-2019-17621",
  "url": "https://spydr.io/cve/CVE-2019-17621",
  "published": "2019-12-30T17:15:19.857Z",
  "modified": "2026-06-17T02:24:17.420Z",
  "score": 9.8,
  "severity": "critical",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "score_source": "NVD",
  "epss": 0.89624,
  "epss_percentile": 0.99786,
  "exploited": true,
  "kev": {
    "added": "2023-06-29",
    "due": "2023-07-20",
    "action": "Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.",
    "ransomware": "Unknown",
    "name": "D-Link DIR-859 Router Command Execution Vulnerability",
    "notes": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147; https://nvd.nist.gov/vuln/detail/CVE-2019-17621"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "dlink"
  ],
  "products": [
    "dlink dir-859 firmware",
    "dlink dir-822 firmware",
    "dlink dir-823 firmware",
    "dlink dir-865l firmware",
    "dlink dir-868l firmware",
    "dlink dir-869 firmware",
    "dlink dir-880l firmware",
    "dlink dir-890l firmware",
    "dlink dir-890r firmware",
    "dlink dir-885l firmware",
    "dlink dir-885r firmware",
    "dlink dir-895l firmware",
    "dlink dir-895r firmware",
    "dlink dir-818lx firmware"
  ],
  "cwes": [
    "CWE-78"
  ],
  "description": "The UPnP endpoint URL /gena.cgi in the D-Link DIR-859 Wi-Fi router 1.05 and 1.06B01 Beta01 allows an Unauthenticated remote attacker to execute system commands as root, by sending a specially crafted HTTP SUBSCRIBE request to the UPnP service when connecting to the local network.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 9.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/156054/D-Link-DIR-859-Unauthenticated-Remote-Command-Execution.html",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://medium.com/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-2019-17621-en-d94b47a15104",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://medium.com/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-2019-17621-es-fad716629ff9",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10146",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.dlink.com/en/security-bulletin",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.ftc.gov/system/files/documents/cases/dlink_proposed_order_and_judgment_7-2-19.pdf",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-17621",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2019-17621",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}