{"id":"CVE-2026-78578","title":"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\ncamer…","summary":"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\ncamer…","severity":"high","cvss":7.1,"cvssVector":"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","cwe":["CWE-306"],"vendor":"TP-Link Systems Inc.","product":"Tapo C200 v5","affected":["tapo_c200_v5 < V5_1.4.6 Build 260709 Rel.27675n","tapo_c120_v1 < V1_1.9.4 Build 260813 Rel.79754n"],"published":"2026-10-01","updated":"2026-10-01","sourceUpdated":"2026-10-01T20:36:38.330","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-78578","references":[{"url":"https://www.tp-link.com/en/support/download/tapo-c120/v1.26/#Firmware-Release-Notes","label":"f23511db-6c3e-4e32-a477-6aa17d310630"},{"url":"https://www.tp-link.com/en/support/download/tapo-c200/v5/#Firmware-Release-Notes","label":"f23511db-6c3e-4e32-a477-6aa17d310630"},{"url":"https://www.tp-link.com/us/support/download/tapo-c120/v1.26/#Firmware-Release-Notes","label":"f23511db-6c3e-4e32-a477-6aa17d310630"},{"url":"https://www.tp-link.com/us/support/download/tapo-c200/v5/#Firmware-Release-Notes","label":"f23511db-6c3e-4e32-a477-6aa17d310630"},{"url":"https://www.tp-link.com/us/support/faq/5321/","label":"f23511db-6c3e-4e32-a477-6aa17d310630"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-01T18:08:21.543786Z"},"cvssSource":"cna","ingestedAt":"2026-10-01T18:55:42.378Z","epss":0.00273,"epssPercentile":0.19536,"slug":"CVE-2026-78578","body":"## Overview\n\nTapo 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}