Description

Logic vulnerability in TP-Link Archer C20 v6.0 and Archer AX53 v1.0 (TDDP module) allows unauthenticated adjacent attackers to execute administrative commands including factory reset and device reboot without credentials. Attackers on the adjacent network can remotely trigger factory resets and reboots without credentials, causing configuration loss and interruption of device availability.This issue affects Archer C20 v6.0 < V6_251031, Archer C20 v5 <EU_V5_260317 or < US_V5_260419 Archer AX53 v1.0 < V1_251215

INFO

Published Date :

2026-01-21T17:14:55.179Z

Last Modified :

2026-04-22T21:30:37.012Z

Source :

TPLink
AFFECTED PRODUCTS

The following products are affected by CVE-2026-0834 vulnerability.

Vendors Products
Tp-link
  • Archer Ax53
  • Archer Ax53 Firmware
  • Archer C20
  • Archer C20 Firmware
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-0834.

URL Resource
https://mattg.systems/posts/cve-2026-0834/ cve-icon cve-icon
https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmware cve-icon cve-icon
https://www.tp-link.com/en/support/download/archer-c20/v5/#Firmware cve-icon cve-icon
https://www.tp-link.com/en/support/download/archer-c20/v6/#Firmware cve-icon cve-icon
https://www.tp-link.com/us/support/download/archer-c20/v5/#Firmware cve-icon cve-icon
https://www.tp-link.com/us/support/faq/4905/ cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
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Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
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SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact