CVE-2022-24973

High

Description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR940N 3.20.1 Build 200316 Rel.34392n (5553) routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-13992.

SeverityHigh
CVSS8.0
Exploit probability—
ProductTp-link Tl-wr940n Firmware
PublishedMar 28, 2023
First seenMar 28, 2023
Weakness typeCWE-121CWE-121

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
tp-link tl-wr940n_firmware3.20.1—

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CVE-2022-24973 · Tp-link Tl-wr940n Firmware · Dark Radar