Tapo C120 v1 and C200 v5 do not enforce authentication for do method HTTPS onboarding connect actions after initial setup.  An unauthenticated adjacent attacker can submit unauthorized wireless configuration parameters, causing the camera to attempt connection to a different network. Successful exploitation disconnects the camera from its intended wireless network, making it unreachable on its management address, resulting in a denial-of-service condition.
History

Fri, 02 Oct 2026 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Tp-link
Tp-link tapo C120 V1
Tp-link tapo C200 V5
Vendors & Products Tp-link
Tp-link tapo C120 V1
Tp-link tapo C200 V5

Thu, 01 Oct 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 01 Oct 2026 17:45:00 +0000

Type Values Removed Values Added
Description Tapo C120 v1 and C200 v5 do not enforce authentication for do method HTTPS onboarding connect actions after initial setup.  An unauthenticated adjacent attacker can submit unauthorized wireless configuration parameters, causing the camera to attempt connection to a different network. Successful exploitation disconnects the camera from its intended wireless network, making it unreachable on its management address, resulting in a denial-of-service condition.
Title Unauthenticated do Method Onboarding Connect Allows Wi‑Fi Reconfiguration Denial of Service Vulnerability in TP-Link Tapo C120 & C200
Weaknesses CWE-306
References
Metrics cvssV4_0

{'score': 7.1, '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: TPLink

Published: 2026-10-01T17:42:05.535Z

Updated: 2026-10-01T18:08:30.649Z

Reserved: 2026-08-24T20:46:19.845Z

Link: CVE-2026-78578

cve-icon Vulnrichment

Updated: 2026-10-01T18:08:24.457Z

cve-icon NVD

Status : Deferred

Published: 2026-10-01T18:17:27.997

Modified: 2026-10-01T20:36:38.330

Link: CVE-2026-78578

cve-icon Redhat

No data.