Vulnerability Intelligence Report
Unauthenticated Onboarding Connect NULL Pointer Dereference Denial of Service Vulnerability in TP-Link Tapo C120 & C200
CVE-2026-9032
Tapo C120 v1 and C200 v5 contain a NULL pointer dereference in the HTTPS onboarding connect request parser. The interface is reachable without authentication after initial setup and does not validate that a password field is present for certain authentication and encryption parameter combinations, allowing a malformed request from the same local network to crash the HTTPS service Successful exploitation may temporarily make HTTPS management functions unavailable. Repeated malformed requests may sustain the denial-of-service condition, and recovery may in some cases require a device reboot.
No Active Exploit Signals
CVSS Base Score
7.1
HIGH
EPSS Probability:0.14%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-476 ↗CWE-476 NULL pointer dereference
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| TP-Link Systems Inc. | Tapo C200 V5 | 0 < V5_1.4.6 Build 260709 Rel.27675n (affected) |
| TP-Link Systems Inc. | Tapo C120 V1 | 0 < V1_1.9.4 Build 260813 Rel.79754n (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.143%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | TP-Link Systems Inc. · Vendor · USA |
| Reserved | 2026-05-19T16:30:36 |
| Published | 2026-10-01T17:41:31 |
| Last Updated | 2026-10-06T18:02:10 |
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