{
  "id": "CVE-2021-45382",
  "url": "https://spydr.io/cve/CVE-2021-45382",
  "published": "2022-02-17T21:15:07.737Z",
  "modified": "2026-06-17T04:13:19.093Z",
  "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": 0.97836,
  "epss_percentile": 0.99907,
  "exploited": true,
  "kev": {
    "added": "2022-04-04",
    "due": "2022-04-25",
    "action": "The impacted product is end-of-life and should be disconnected if still in use.",
    "ransomware": "Unknown",
    "name": "D-Link Multiple Routers Remote Code Execution Vulnerability",
    "notes": "https://nvd.nist.gov/vuln/detail/CVE-2021-45382"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "dlink"
  ],
  "products": [
    "dlink dir-820l firmware",
    "dlink dir-820lw firmware",
    "dlink dir-826l firmware",
    "dlink dir-830l firmware",
    "dlink dir-836l firmware",
    "dlink dir-810l firmware"
  ],
  "cwes": [
    "CWE-78"
  ],
  "description": "A Remote Command Execution (RCE) vulnerability exists in all series H/W revisions D-link DIR-810L, DIR-820L/LW, DIR-826L, DIR-830L, and DIR-836L routers via the DDNS function in ncc2 binary file. Note: DIR-810L, DIR-820L, DIR-830L, DIR-826L, DIR-836L, all hardware revisions, have reached their End of Life (\"EOL\") /End of Service Life (\"EOS\") Life-Cycle and as such this issue will not be patched.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 9.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Command_injection.md",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10264",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-45382",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-45382",
  "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."
    }
  ]
}
