{"schema":"threatline.record/2","record":{"id":"CVE-2026-78578","aliases":[],"summary":"Unauthenticated do Method Onboarding Connect Allows Wi‑Fi Reconfiguration Denial of Service Vulnerability in TP-Link Tapo C120 & C200","details":"Tapo C120 v1 and C200 v5\ndo not enforce authentication for do method HTTPS onboarding connect actions\nafter initial setup.  An unauthenticated adjacent\nattacker can submit unauthorized wireless configuration parameters, causing the\ncamera to attempt connection to a different network.\n\n\n\n\n\nSuccessful\nexploitation disconnects the camera from its intended wireless network, making\nit unreachable on its management address, resulting in a denial-of-service\ncondition.","categories":["Network & edge"],"product":"Tapo C200 v5","vendor":"TP-Link Systems Inc.","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-78578","source_modified_at":"2026-10-01T18:08:30.649Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Tapo C200 v5","vendor":"TP-Link Systems Inc.","versions":[{"status":"affected","version":"0","lessThan":"V5_1.4.6 Build 260709 Rel.27675n","versionType":"custom"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-78578","source_modified_at":"2026-10-01T18:08:30.649Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Tapo C120 v1","vendor":"TP-Link Systems Inc.","versions":[{"status":"affected","version":"0","lessThan":"V1_1.9.4 Build 260813 Rel.79754n","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":7.1,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00249,"percentile":0.15268,"score_date":"2026-10-23"},"published_at":"2026-10-01T17:42:05.535Z","modified_at":"2026-10-01T18:08:30.649Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-78578","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-01T18:08:30.649Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-78578","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://www.tp-link.com/us/support/download/tapo-c200/v5/#Firmware-Release-Notes","tags":["patch"]},{"source":"CVE List","url":"https://www.tp-link.com/en/support/download/tapo-c200/v5/#Firmware-Release-Notes","tags":["patch"]},{"source":"CVE List","url":"https://www.tp-link.com/us/support/download/tapo-c120/v1.26/#Firmware-Release-Notes","tags":["patch"]},{"source":"CVE List","url":"https://www.tp-link.com/en/support/download/tapo-c120/v1.26/#Firmware-Release-Notes","tags":["patch"]},{"source":"CVE List","url":"https://www.tp-link.com/us/support/faq/5321/","tags":["vendor-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-01T18:08:21.543786Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"vendor and product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-01T18:08:30.649Z","content_hash":"0e02bb8a892aad5872dce1f4441a1d9361badc2306e17a9004b5f0720fe67996"}}