ZDI-CAN-21825: ZDI-23-1624: TP-Link TL-WR841N ated_tp Command Injection Remote Code Execution Vulnerability

Published Nov 14, 2023
·
Updated

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR841N routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the atedtp service. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root.

Other sources

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR841N routers. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.5. The following CVEs are assigned: CVE-2023-39471.

Affected Software

1 affected component
TP-Link TL-WR841N

Event History

Nov 14, 2023
Advisory Published
06:00 AM
Data Sourced
06:00 AM
Description
Mar 25, 2025
Advisory Published
via ZDI·03:04 PM
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Frequently Asked Questions

1

What is the severity of ZDI-CAN-21825?

The severity of ZDI-CAN-21825 is high due to the potential for arbitrary code execution without authentication.

2

How do I fix ZDI-CAN-21825?

To fix ZDI-CAN-21825, update the firmware of your TP-Link TL-WR841N router to the latest version provided by the manufacturer.

3

Who is affected by ZDI-CAN-21825?

ZDI-CAN-21825 affects users of the TP-Link TL-WR841N routers.

4

What type of attackers can exploit ZDI-CAN-21825?

Network-adjacent attackers can exploit ZDI-CAN-21825 to execute arbitrary code on the affected devices.

5

Is authentication required to exploit ZDI-CAN-21825?

No, authentication is not required to exploit ZDI-CAN-21825.

Contact

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