{"id":"CVE-2021-45382","aliases":["EUVD-2021-32155","GHSA-5wgx-qvpv-2353"],"status":"published","title":"A Remote Command Execution (RCE) vulnerability exists in all series H/W revisions D-link DIR-810L...","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.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.97836,"percentile":0.99907,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-77","CWE-78"],"published":"2022-02-17T20:07:46Z","modified":"2026-06-17T04:13:19Z","kev":{"date_added":"2022-04-04","due_date":"2022-04-25","required_action":"The impacted product is end-of-life and should be disconnected if still in use.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2022-04-04"},{"source":"kev","since":"2022-04-04"}],"exploits":[{"source":"nuclei","id":"CVE-2021-45382","title":"D-Link - Remote Command Execution","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-45382.yaml"}],"products":[{"vendor":"d-link","product":"multiple routers"},{"vendor":"dlink","product":"dir-810l_firmware"},{"vendor":"dlink","product":"dir-820l_firmware"},{"vendor":"dlink","product":"dir-820lw_firmware"},{"vendor":"dlink","product":"dir-826l_firmware"},{"vendor":"dlink","product":"dir-830l_firmware"},{"vendor":"dlink","product":"dir-836l_firmware"}],"references":[{"url":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10264","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Command_injection.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-45382","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45382"},{"url":"https://github.com/advisories/GHSA-5wgx-qvpv-2353"}],"sources":{"cve":[{"id":"CVE-2021-45382","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":"published","published":"2022-02-17T20:07:46Z","modified":"2025-10-21T23:15:45.976Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:33:02.580561Z"}],"euvd":[{"id":"EUVD-2021-32155","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":"published","published":"2022-02-17T20:07:46Z","modified":"2025-10-21T23:15:45Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"exploited_since":"2022-04-04","updated_at":"2026-11-02T20:31:25.901288Z"}],"ghsa":[{"id":"GHSA-5wgx-qvpv-2353","title":"A Remote Command Execution (RCE) vulnerability exists in all series H/W revisions D-link DIR-810L...","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":"published","published":"2022-02-18T00:00:32Z","modified":"2025-10-22T00:32:30Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-77","CWE-78"],"updated_at":"2026-11-02T15:04:05.344883Z"}],"kev":[{"id":"CVE-2021-45382","title":"D-Link Multiple Routers Remote Code Execution Vulnerability","description":"A remote code execution vulnerability exists in all series H/W revisions routers via the DDNS function in ncc2 binary file.","cwes":["CWE-78"],"kev":{"date_added":"2022-04-04","due_date":"2022-04-25","required_action":"The impacted product is end-of-life and should be disconnected if still in use.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.541131Z"}],"nvd":[{"id":"CVE-2021-45382","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":"published","published":"2022-02-17T21:15:07.737Z","modified":"2026-06-17T04:13:19.093Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:07:04.6896Z"}]}}