{"cve":{"cve_id":"CVE-2024-29973","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.86205,"epss_percentile":0.99704,"epss_as_of":"2026-06-23","description":"** UNSUPPORTED WHEN ASSIGNED **\nThe command injection vulnerability in the “setCookie” parameter in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted HTTP POST request.","published_at":"2024-06-04T01:29:41.852000Z","last_modified_at":null,"cvss_v3_score":9.8,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_v3_severity":"CRITICAL","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"poc","ssvc_automatable":true,"ssvc_technical_impact":"total","cwes":["CWE-78"],"nvd_references":["https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-nas-products-06-04-2024","https://outpost24.com/blog/zyxel-nas-critical-vulnerabilities/"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-29T01:56:44.112925Z"},"effective_severity":"CRITICAL","badges":["poc","epss"],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"zyxel","vendor_name":"Zyxel","product_slug":"nas326-firmware","product_name":"NAS326 firmware","version_start":"< V5.21(AAZF.17)C0","version_start_inclusive":true,"version_end":"< V5.21(AAZF.17)C0","version_end_inclusive":true,"cpe23_uri":"cve5:zyxel:nas326-firmware:< V5.21(AAZF.17)C0:< V5.21(AAZF.17)C0"},{"vendor_slug":"zyxel","vendor_name":"Zyxel","product_slug":"nas542-firmware","product_name":"NAS542 firmware","version_start":"< V5.21(ABAG.14)C0","version_start_inclusive":true,"version_end":"< V5.21(ABAG.14)C0","version_end_inclusive":true,"cpe23_uri":"cve5:zyxel:nas542-firmware:< V5.21(ABAG.14)C0:< V5.21(ABAG.14)C0"}],"exploit_refs":[{"source":"nuclei","kind":"nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-29973.yaml","title":"Zyxel NAS326 Firmware < V5.21(AAZF.17)C0 - Command Injection","author":"ritikchaddha","disclosed_at":null}],"news":[],"references":[{"url":"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-nas-products-06-04-2024","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://outpost24.com/blog/zyxel-nas-critical-vulnerabilities/","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2024-06-04T01:29:41.852000Z","label":"CVE published","source":null},{"type":"poc_available","at":"2026-06-24T00:29:48.638073Z","label":"Public PoC available","source":"nuclei"},{"type":"cvss_changed","at":"2026-06-28T17:35:03.990182Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:35:03.990182Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:35:03.990182Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T01:56:44.112925Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:56:44.112925Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:56:44.112925Z","label":"SSVC decision revised","source":"vulnrichment"}]}