{"schema":"threatline.record/2","record":{"id":"CVE-2021-40655","aliases":[],"summary":"D-Link DIR-605 Router Information Disclosure Vulnerability","details":"D-Link DIR-605 routers contain an information disclosure vulnerability that allows attackers to obtain a username and password by forging a post request to the /getcfg.php page. ","categories":["Network & edge"],"product":"DIR-605 Router","vendor":"D-Link","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2021-40655","source_modified_at":"2025-10-21T23:25:31.176Z","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":7.5,"severity":"High","kev":{"listed":true,"date_added":"2024-05-16","due_date":"2024-06-06","required_action":"This vulnerability affects legacy D-Link products. All associated hardware revisions have reached their end-of-life (EOL) or end-of-service (EOS) life cycle and should be retired and replaced per vendor instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.86659,"percentile":0.99743,"score_date":"2026-10-23"},"published_at":"2021-09-24T20:11:51.000Z","modified_at":"2025-10-21T23:25:31.176Z","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-2021-40655","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:25:31.176Z"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-40655.yaml","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":null},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2021-40655","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Nuclei","EPSS"],"references":[{"url":"https://legacy.us.dlink.com/pages/product.aspx?id=2b09e95d90ff4cb38830ecc04c89cee5","source":"CISA KEV"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40655","source":"CISA KEV"},{"source":"CVE List","url":"https://www.dlink.com/en/security-bulletin/","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://github.com/Ilovewomen/D-LINK-DIR-605/","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40655","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"partial","assessed_at":"2025-02-04T15:44:50.037442Z"},"exploits":[{"source":"Nuclei","kind":"Scanner template","name":"D-Link DIR-605 - Information Disclosure","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-40655.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:25:31.176Z","content_hash":"db140145845587e5d2ca4cbecf5348198de943273cb56b2317e1ed45da65ce98"}}