CVE-2026-78578NVD

Vulnerability Summary

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.

Severity Level

HIGH(7.1)

Published Date

Oct 1, 2026

Last Modified

Oct 1, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.25%Probability

Root Weakness (CWE)

CWE-306: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v4.0 Base Metrics — Score 7.1 (HIGH)

Attack VectorAdjacent

Attack ComplexityLow

Attack RequirementsNone

Privileges RequiredNone

User InteractionNone

Confidentiality (Vulnerable System)None

Integrity (Vulnerable System)None

Availability (Vulnerable System)High

Confidentiality (Subsequent System)None

Integrity (Subsequent System)None

Availability (Subsequent System)None

Affected & Patched Versions

Affected Versions

TP-Link Systems Inc. Tapo C200 v5 < V5_1.4.6 Build 260709 Rel.27675n
TP-Link Systems Inc. Tapo C120 v1 < V1_1.9.4 Build 260813 Rel.79754n

Patched Versions

TP-Link Systems Inc. Tapo C200 v5 V5_1.4.6 Build 260709 Rel.27675n
TP-Link Systems Inc. Tapo C120 v1 V1_1.9.4 Build 260813 Rel.79754n

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