{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-78577","assignerOrgId":"f23511db-6c3e-4e32-a477-6aa17d310630","state":"PUBLISHED","assignerShortName":"TPLink","dateReserved":"2026-08-24T20:46:18.534Z","datePublished":"2026-10-01T17:41:49.774Z","dateUpdated":"2026-10-01T18:08:59.956Z"},"containers":{"cna":{"providerMetadata":{"orgId":"f23511db-6c3e-4e32-a477-6aa17d310630","shortName":"TPLink","dateUpdated":"2026-10-01T17:41:49.774Z"},"title":"Unauthenticated Onboarding Scan Information Disclosure in TP-Link Tapo C120 & C200","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-306","description":"CWE-306 Missing authentication for critical function","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-1","descriptions":[{"lang":"en","value":"CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"}]}],"affected":[{"vendor":"TP-Link Systems Inc.","product":"Tapo C200 v5","versions":[{"status":"affected","version":"0","lessThan":"V5_1.4.6 Build 260709 Rel.27675n","versionType":"custom"}],"defaultStatus":"unaffected"},{"vendor":"TP-Link Systems Inc.","product":"Tapo C120 v1","versions":[{"status":"affected","version":"0","lessThan":"V1_1.9.4 Build 260813 Rel.79754n","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"Tapo C120 v1 and C200 V5\ncontain a vulnerability in the HTTPS onboarding scan function due to missing authentication.\nAfter initial setup, an unauthenticated attacker on the same local network can\ninvoke the scan action and retrieve nearby wireless access-point metadata,\nincluding SSIDs, BSSIDs, authentication and encryption modes, and\nsignal-strength information.\n\n\n\n\n\n\n\n\n\nSuccessful\nexploitation may disclose information about the wireless environment\nsurrounding the camera, allowing an attacker to learn elements of the local\nwireless topology.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Tapo C120 v1 and C200 V5\ncontain a vulnerability in the HTTPS onboarding scan function due to missing authentication.\nAfter initial setup, an unauthenticated attacker on the same local network can\ninvoke the scan action and retrieve nearby wireless access-point metadata,\nincluding SSIDs, BSSIDs, authentication and encryption modes, and\nsignal-strength information.</p><p>\n\n</p><p>Successful\nexploitation may disclose information about the wireless environment\nsurrounding the camera, allowing an attacker to learn elements of the local\nwireless topology.&nbsp;<b></b></p>"}]}],"references":[{"url":"https://www.tp-link.com/us/support/download/tapo-c200/v5/#Firmware-Release-Notes","tags":["patch"]},{"url":"https://www.tp-link.com/en/support/download/tapo-c200/v5/#Firmware-Release-Notes","tags":["patch"]},{"url":"https://www.tp-link.com/us/support/download/tapo-c120/v1.26/#Firmware-Release-Notes","tags":["patch"]},{"url":"https://www.tp-link.com/en/support/download/tapo-c120/v1.26/#Firmware-Release-Notes","tags":["patch"]},{"url":"https://www.tp-link.com/us/support/faq/5321/","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":5.3,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}}],"credits":[{"lang":"en","value":"Thai Do (Lio) and Khoi Tran (KayTii) from OPSWAT","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-01T18:08:50.711151Z","id":"CVE-2026-78577","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-01T18:08:59.956Z"}}]}}