CVE-2022-42433

High

Description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR841N TL-WR841N(US)_V14_220121 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the ated_tp 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.

SeverityHigh

CVSS8.0

Exploit probability—

Product

Tp-link Tl-wr841 Firmware

PublishedMar 29, 2023

First seenMar 29, 2023

Weakness typeCWE-78OS command injection

How to fix

Update

tp-link tl-wr841_firmware220914 or later

Affected products

Product	Affected versions	Fixed in
tp-link tl-wr841_firmware	v < 220914	220914

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