CVE-2026-0834
Unauthenticated Command Execution in TP-Link TDDP Causes Device Reset
Publication date: 2026-01-21
Last updated on: 2026-04-28
Assigner: TPLink
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| tp-link | archer_ax53_firmware | 1.0 |
| tp-link | archer_c20_firmware | 6.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-290 | This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a logic flaw in the TP-Link Archer C20 v6.0 and Archer AX53 v1.0 devices, specifically in the TDDP module. It allows attackers who are on an adjacent network to execute administrative commands such as factory reset and device reboot without needing any credentials. This means unauthorized users nearby can remotely trigger these commands, potentially disrupting the device's normal operation.
How can this vulnerability impact me? :
The vulnerability can impact you by allowing attackers on an adjacent network to remotely cause your device to reboot or perform a factory reset without authorization. This can lead to loss of your device's configuration settings and interruption of device availability, potentially causing network downtime or loss of connectivity.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, update the firmware of your TP-Link Archer C20 v6.0 and Archer AX53 v1.0 devices to the latest versions provided by TP-Link. Check the official TP-Link download pages for Archer AX53 and Archer C20 to obtain the latest firmware that addresses this issue. [1, 2]