{"schema":"threatline.record/2","record":{"id":"CVE-2019-17621","aliases":[],"summary":"D-Link DIR-859 Router Command Execution Vulnerability","details":"D-Link DIR-859 router contains a command execution vulnerability in the UPnP endpoint URL, /gena.cgi. Exploitation 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.","categories":["Network & edge"],"product":"DIR-859 Router","vendor":"D-Link","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2019-17621","source_modified_at":"2025-10-21T23:35:54.315Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}],"defaultStatus":null}],"fixed_versions":[],"cvss":9.8,"severity":"Critical","kev":{"listed":true,"date_added":"2023-06-29","due_date":"2023-07-20","required_action":"Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.89624,"percentile":0.9979,"score_date":"2026-10-23"},"published_at":"2019-12-30T16:09:17.000Z","modified_at":"2025-10-21T23:35:54.315Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2019-17621","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:35:54.315Z"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/upnp/dlink_dir859_subscribe_exec.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2019-12-24"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2019-17621","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Metasploit","EPSS"],"references":[{"source":"CVE List","url":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-17621","source":"CISA KEV"},{"source":"CVE List","url":"https://www.ftc.gov/system/files/documents/cases/dlink_proposed_order_and_judgment_7-2-19.pdf","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.dlink.com/en/security-bulletin","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10146","tags":["x_refsource_CONFIRM","x_transferred"]},{"source":"CVE List","url":"https://medium.com/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-2019-17621-en-d94b47a15104","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://medium.com/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-2019-17621-es-fad716629ff9","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-17621","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"total","assessed_at":"2025-02-04T20:33:59.746115Z"},"exploits":[{"source":"Metasploit","kind":"Exploit module","name":"D-Link DIR-859 Unauthenticated Remote Command Execution","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/upnp/dlink_dir859_subscribe_exec.rb","date":"2019-12-24","added":"2025-05-18","check":false}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:35:54.315Z","content_hash":"36d97ded5fceda1ffb80f4c79380d17c99030d15874da568a2f1c72b48ed4a76"}}