CVE-2026-34123
Authorization Bypass in Tapo C520WS v2 via API Logic Flaw
Publication date: 2026-06-06
Last updated on: 2026-06-06
Assigner: TPLink
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| tp-link | tapo_c520ws | 1.2.6 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-287 | When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2026-34123 is a whitelist validation bypass vulnerability in the TP-Link Tapo C520WS v2 camera system. The issue arises from a logic flaw in the device's API authorization mechanism.
Restricted accounts, such as hub users, are intended to perform only a limited set of low-sensitivity operations. However, due to this flaw, an attacker with access to such a restricted account can craft requests that exploit legitimate "method mapping" behavior to bypass whitelist restrictions.
This allows the attacker to mask restricted operations as permitted requests and execute unauthorized sensitive operations on the device.
How can this vulnerability impact me? :
Successful exploitation of this vulnerability may allow an attacker to execute unauthorized sensitive operations on the device.
- Device resets without authorization.
- Unintended configuration changes.
- Disruption of normal device operation.
These impacts can lead to loss of availability and integrity of the device.
What immediate steps should I take to mitigate this vulnerability?
To mitigate the CVE-2026-34123 vulnerability on the TP-Link Tapo C520WS v2 camera system, it is recommended to update the device firmware to version 1.2.6 Build 260528 or later.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The provided information does not specify any direct impact of this vulnerability on compliance with common standards and regulations such as GDPR or HIPAA.