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CVE-2026-78578

Unauthenticated do Method Onboarding Connect Allows Wi‑Fi Reconfiguration Denial of Service Vulnerability in TP-Link Tapo C120 & C200 PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
TP-Link Systems Inc. / Tapo C200 v5affected 0 before V5_1.4.6 Build 260709 Rel.27675n
TP-Link Systems Inc. / Tapo C120 v1affected 0 before V1_1.9.4 Build 260813 Rel.79754n

CWE

CWE-306

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.