CVE-2026-11834
Vulnerability Description
A command
injection vulnerability has been identified in the DHCP option processing logic
in multiple TP-Link router models, due to insufficient validation of externally
supplied DHCP option data. An adjacent attacker may exploit this
vulnerability by supplying crafted DHCP responses, potentially resulting in unauthorized
command execution during device initialization or provisioning workflows. This
typically occurs when the device is in a factory-default or unconfigured state.
Successful
exploitation may allow an adjacent, unauthenticated attacker to execute
arbitrary commands with elevated privileges, potentially leading to full
compromise of the affected device and unauthorized administrative control.
injection vulnerability has been identified in the DHCP option processing logic
in multiple TP-Link router models, due to insufficient validation of externally
supplied DHCP option data. An adjacent attacker may exploit this
vulnerability by supplying crafted DHCP responses, potentially resulting in unauthorized
command execution during device initialization or provisioning workflows. This
typically occurs when the device is in a factory-default or unconfigured state.
Successful
exploitation may allow an adjacent, unauthenticated attacker to execute
arbitrary commands with elevated privileges, potentially leading to full
compromise of the affected device and unauthorized administrative control.
Vulnerability Details
Published Date
Last Modified
CWE ID
CWE-78
Source
NVD
Vendor
TP-Link Systems Inc., TP Link Systems Inc.
Product
Archer MR200 v07, Archer MR200 v8, Archer MR402 v1, Archer VR2100 v1, Archer C20 v5, Archer C20 v6, TL-MR6400 v7
External References
- https://www.tp-link.com/en/support/download/archer-c20/
- https://www.tp-link.com/en/support/download/archer-mr200/#Firmware
- https://www.tp-link.com/en/support/download/archer-mr402/#Firmware
- https://www.tp-link.com/en/support/download/archer-vr2100/#Firmware
- https://www.tp-link.com/en/support/download/tl-mr6400/v7/#Firmware
- https://www.tp-link.com/us/support/download/archer-c20/
- https://www.tp-link.com/us/support/faq/5141/
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