{"schema":"threatline.record/2","record":{"id":"CVE-2024-40890","aliases":[],"summary":"Zyxel DSL CPE OS Command Injection Vulnerability","details":"Multiple Zyxel DSL CPE devices contain a post-authentication command injection vulnerability in the CGI program that could allow an authenticated attacker to execute OS commands via a crafted HTTP request.","categories":["Network & edge"],"product":"DSL CPE Devices","vendor":"Zyxel","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-40890","source_modified_at":"2025-10-21T22:55:30.414Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"VMG4325-B10A firmware","vendor":"Zyxel","versions":[{"status":"affected","version":"<= 1.00(AAFR.4)C0_20170615"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":8.8,"severity":"High","kev":{"listed":true,"date_added":"2025-02-11","due_date":"2025-03-04","required_action":"The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization if a current mitigation is unavailable.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.20703,"percentile":0.97531,"score_date":"2026-10-23"},"published_at":"2025-02-04T09:55:38.908Z","modified_at":"2025-10-21T22:55:30.414Z","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-2024-40890","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T22:55:30.414Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2024-40890","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-insecure-default-credentials-vulnerabilities-in-certain-legacy-dsl-cpe-02-04-2025","tags":["vendor-advisory"]},{"url":"https://www.zyxel.com/service-provider/global/en/security-advisories/zyxel-security-advisory-command-injection-insecure-in-certain-legacy-dsl-cpe-02-04-2025","source":"CISA KEV"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-40890","source":"CISA KEV"},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-40890","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"total","assessed_at":"2025-02-11T19:02:06.500220Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"vendor and product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T22:55:30.414Z","content_hash":"53b135d775432168539ede3039d2a0ca5a64068a2a418d124ab6b28d9b430311"}}