{"cve":{"cve_id":"CVE-2026-28742","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":0.0033,"epss_percentile":0.2464,"epss_as_of":"2026-06-23","description":"Naxclow devices use a uniform request-signing scheme based on a hard-coded, platform-wide salt embedded in every firmware image. Once this salt is recovered from any device, an attacker can generate valid signatures for arbitrary device or account operations due to the absence of per-device keys, server-side nonce tracking, or replay protections. Combined with the system’s use of plain HTTP for control-plane traffic, the construction enables broad request forgery and impersonation across the platform.","published_at":"2026-06-12T18:03:53.887000Z","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":9.2,"cvss_v4_vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","cvss_v4_severity":"CRITICAL","ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-321"],"nvd_references":["https://www.cisa.gov/news-events/ics-advisories/icsa-26-162-02","https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-162-02.json"],"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":"2026-06-28T23:29:37.082675Z"},"effective_severity":"CRITICAL","badges":[],"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":"4.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"AT","name":"Attack Requirements","value":"P","value_label":"Present"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"VC","name":"Confidentiality (Vulnerable System)","value":"H","value_label":"High"},{"metric":"VI","name":"Integrity (Vulnerable System)","value":"H","value_label":"High"},{"metric":"VA","name":"Availability (Vulnerable System)","value":"H","value_label":"High"},{"metric":"SC","name":"Confidentiality (Subsequent System)","value":"N","value_label":"None"},{"metric":"SI","name":"Integrity (Subsequent System)","value":"N","value_label":"None"},{"metric":"SA","name":"Availability (Subsequent System)","value":"N","value_label":"None"}]},"affected":[{"vendor_slug":"naxclow","vendor_name":"Naxclow","product_slug":"ix-cam","product_name":"ix cam","version_start":"All","version_start_inclusive":true,"version_end":"All","version_end_inclusive":true,"cpe23_uri":"cve5:naxclow:ix-cam:All:All"},{"vendor_slug":"naxclow","vendor_name":"Naxclow","product_slug":"smart-doorbell-x3","product_name":"Smart Doorbell X3","version_start":"All","version_start_inclusive":true,"version_end":"All","version_end_inclusive":true,"cpe23_uri":"cve5:naxclow:smart-doorbell-x3:All:All"},{"vendor_slug":"naxclow","vendor_name":"Naxclow","product_slug":"v720","product_name":"V720","version_start":"All","version_start_inclusive":true,"version_end":"All","version_end_inclusive":true,"cpe23_uri":"cve5:naxclow:v720:All:All"},{"vendor_slug":"naxclow","vendor_name":"Naxclow","product_slug":"x-smart-home","product_name":"X Smart Home","version_start":"All","version_start_inclusive":true,"version_end":"All","version_end_inclusive":true,"cpe23_uri":"cve5:naxclow:x-smart-home:All:All"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-162-02","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-162-02.json","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-12T18:03:53.887000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:52:33.488308Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:52:33.488308Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:52:33.488308Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:52:33.488308Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:52:33.488308Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:52:33.488308Z","label":"CVSS score revised","source":"cvelistv5"}]}