What is the severity of CVE-2022-24355?

The severity of CVE-2022-24355 is high with a severity value of 8.8.

How can CVE-2022-24355 be exploited?

CVE-2022-24355 can be exploited by network-adjacent attackers to execute arbitrary code on TP-Link TL-WR940N routers without authentication.

What software is affected by CVE-2022-24355?

TP-Link TL-WR940N 3.20.1 Build 200316 Rel.34392n (5553) routers are affected by CVE-2022-24355.

Is authentication required to exploit CVE-2022-24355?

No, authentication is not required to exploit CVE-2022-24355.

How can I fix CVE-2022-24355?

To fix CVE-2022-24355, update your TP-Link TL-WR940N router firmware to a version that addresses the vulnerability.

Vulnerability/
CVE-2022-24355

high

8.8

CWE

787 121

18/2/2022

3/8/2024

CVE-2022-24355: TP-Link TL-WR940N httpd httpRpmFs Stack-based Buffer Overflow Remote Code Execution Vulnerability

First published: Fri Feb 18 2022(Updated: )

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 not required to exploit this vulnerability. The specific flaw exists within the parsing of file name extensions. 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-13910.

Credit: zdi-disclosures@trendmicro.com

Affected Software	Affected Version	How to fix
Tp-link Tl-wr940n Firmware	<211111
TP-Link TL-WR940N

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Reference Links

https://www.zerodayinitiative.com/advisories/ZDI-22-265/

Frequently Asked Questions

What is the severity of CVE-2022-24355?
The severity of CVE-2022-24355 is high with a severity value of 8.8.
How can CVE-2022-24355 be exploited?
CVE-2022-24355 can be exploited by network-adjacent attackers to execute arbitrary code on TP-Link TL-WR940N routers without authentication.
What software is affected by CVE-2022-24355?
TP-Link TL-WR940N 3.20.1 Build 200316 Rel.34392n (5553) routers are affected by CVE-2022-24355.
Is authentication required to exploit CVE-2022-24355?
No, authentication is not required to exploit CVE-2022-24355.
How can I fix CVE-2022-24355?
To fix CVE-2022-24355, update your TP-Link TL-WR940N router firmware to a version that addresses the vulnerability.

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