{"cve":{"cve_id":"CVE-2026-1315","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":0.00577,"epss_percentile":0.43026,"epss_as_of":"2026-06-23","description":"By sending crafted files to the firmware update endpoint of Tapo C220 v1 and C520WS v2, the device terminates core system services before verifying authentication or firmware integrity. An unauthenticated attacker can trigger a persistent denial of service, requiring a manual reboot or application initiated restart to restore normal device operation.","published_at":"2026-01-27T17:53:29.242000Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":7.1,"cvss_v4_vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","cvss_v4_severity":"HIGH","ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-20"],"nvd_references":["https://www.tp-link.com/us/support/download/tapo-c220/v1.60/","https://www.tp-link.com/en/support/download/tapo-c220/v1/","https://www.tp-link.com/us/support/download/tapo-c520ws/v2/","https://www.tp-link.com/en/support/download/tapo-c520ws/v2/","https://www.tp-link.com/us/support/faq/4923/"],"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":"2026-06-28T23:28:58.306070Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":"4.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"A","value_label":"Adjacent"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"AT","name":"Attack Requirements","value":"N","value_label":"None"},{"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":"N","value_label":"None"},{"metric":"VI","name":"Integrity (Vulnerable System)","value":"N","value_label":"None"},{"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":"tp-link-systems-inc.","vendor_name":"TP-Link Systems Inc.","product_slug":"tapo-c220-v1","product_name":"Tapo C220 v1","version_start":"0","version_start_inclusive":true,"version_end":"1.4.2 Build 251112","version_end_inclusive":false,"cpe23_uri":"cve5:tp-link-systems-inc.:tapo-c220-v1:0:1.4.2 Build 251112"},{"vendor_slug":"tp-link-systems-inc.","vendor_name":"TP-Link Systems Inc.","product_slug":"tapo-c520ws-v2","product_name":"Tapo C520WS v2","version_start":"0","version_start_inclusive":true,"version_end":"1.2.3 Build 251114","version_end_inclusive":false,"cpe23_uri":"cve5:tp-link-systems-inc.:tapo-c520ws-v2:0:1.2.3 Build 251114"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.tp-link.com/us/support/download/tapo-c220/v1.60/","source_type":"MISC","tags":[]},{"url":"https://www.tp-link.com/en/support/download/tapo-c220/v1/","source_type":"MISC","tags":[]},{"url":"https://www.tp-link.com/us/support/download/tapo-c520ws/v2/","source_type":"MISC","tags":[]},{"url":"https://www.tp-link.com/en/support/download/tapo-c520ws/v2/","source_type":"MISC","tags":[]},{"url":"https://www.tp-link.com/us/support/faq/4923/","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-01-27T17:53:29.242000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:50:44.924477Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:50:44.924477Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:50:44.924477Z","label":"CVSS score revised","source":"cvelistv5"}]}