CVE-2022-42433: TP-Link TL-WR841N ated_tp Command Injection Remote Code Execution Vulnerability

Published Mar 29, 2023
·
Updated

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR841N routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. 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 TL-WR841N(US)V14220121 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. 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. Was ZDI-CAN-17356.

Affected Software

3 affected components
TP-Link TL-WR841N
TP-Link Tl-wr841 Firmware<220914
TP-Link TL-WR841N

Event History

Mar 29, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverityWeakness
Mar 25, 2025
Advisory Published
via ZDI·03:04 PM
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Frequently Asked Questions

1

What is CVE-2022-42433?

CVE-2022-42433 is a command injection vulnerability in TP-Link TL-WR841N routers that allows network-adjacent attackers to execute arbitrary code.

2

How does CVE-2022-42433 affect TP-Link TL-WR841N routers?

CVE-2022-42433 affects TP-Link TL-WR841N routers by enabling network-adjacent attackers to execute arbitrary code on affected installations.

3

What is the severity of CVE-2022-42433?

The severity of CVE-2022-42433 is high, with a severity value of 8 out of 10.

4

How can CVE-2022-42433 be exploited?

CVE-2022-42433 can be exploited by bypassing the existing authentication mechanism to execute arbitrary code.

5

Is authentication required to exploit CVE-2022-42433?

Yes, authentication is required to exploit CVE-2022-42433, but the existing authentication mechanism can be bypassed.

Contact

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