{"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": "2026-10-01T17:41:49.774Z"}, "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"}}}}

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