What is CVE-2022-43972?

CVE-2022-43972 is a null pointer dereference vulnerability in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006.

What is the severity of CVE-2022-43972?

The severity of CVE-2022-43972 is high with a CVSS score of 7.5.

How does CVE-2022-43972 affect Linksys WRT54GL Wireless-G Broadband Router?

CVE-2022-43972 affects Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006.

How can an attacker exploit CVE-2022-43972?

An unauthenticated attacker can exploit CVE-2022-43972 by sending a malicious POST request invoking the AddPort function.

Is there a fix available for CVE-2022-43972?

There is no information available on a fix for CVE-2022-43972 at the moment.

Vulnerability/
CVE-2022-43972

high

7.5

CWE

476

9/1/2023

21/11/2024

CVE-2022-43972: Null pointer dereference in Linksys WRT54GL

Q: What is the severity of CVE-2022-43972?

The severity of CVE-2022-43972 is high with a CVSS score of 7.5.

Q: How does CVE-2022-43972 affect Linksys WRT54GL Wireless-G Broadband Router?

CVE-2022-43972 affects Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006.

Q: How can an attacker exploit CVE-2022-43972?

An unauthenticated attacker can exploit CVE-2022-43972 by sending a malicious POST request invoking the AddPort function.

Q: Is there a fix available for CVE-2022-43972?

There is no information available on a fix for CVE-2022-43972 at the moment.

First published: Mon Jan 09 2023(Updated: )

A null pointer dereference vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. A null pointer dereference in the soap_action function within the upnp binary can be triggered by an unauthenticated attacker via a malicious POST request invoking the AddPortMapping action.

Credit: trellixpsirt@trellix.com trellixpsirt@trellix.com

Affected Software	Affected Version	How to fix
Linksys Wrt54gl Firmware	<=4.30.18.006
Linksys WRT54GL
All of
Linksys Wrt54gl Firmware	<=4.30.18.006
Linksys WRT54GL

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Frequently Asked Questions

What is CVE-2022-43972?
CVE-2022-43972 is a null pointer dereference vulnerability in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006.
What is the severity of CVE-2022-43972?
The severity of CVE-2022-43972 is high with a CVSS score of 7.5.
How does CVE-2022-43972 affect Linksys WRT54GL Wireless-G Broadband Router?
CVE-2022-43972 affects Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006.
How can an attacker exploit CVE-2022-43972?
An unauthenticated attacker can exploit CVE-2022-43972 by sending a malicious POST request invoking the AddPort function.
Is there a fix available for CVE-2022-43972?
There is no information available on a fix for CVE-2022-43972 at the moment.

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agent/first-publish-date
collector/nvd-api
source/NVD
agent/software-canonical-lookup
agent/last-modified-date
agent/author
agent/softwarecombine
agent/tags
agent/event
vendor/linksys
canonical/linksys wrt54gl firmware
version/linksys wrt54gl firmware/4.30.18.006
canonical/linksys wrt54gl

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