CVE-2026-0834
Logic Vulnerability on TP-Link Archer C20, Archer AX53 and TL-WR841N v13
Using Archer C20 v6.0, Archer AX53 v1.0 by TP-Link Systems Inc.?
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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 AX53 v1.0 < V1_251215
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://www.tp-link.com/en/support/download/archer-c20/v6/#Firmware
- https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmware
- https://www.tp-link.com/us/support/faq/4905/
- https://www.tp-link.com/us/support/download/archer-c20/v5/#Firmware
- https://www.tp-link.com/en/support/download/archer-c20/v5/#Firmware
References (8)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- ADJACENT_NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Quick Info
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