What is CVE-2022-29638?

CVE-2022-29638 refers to a stack overflow vulnerability found in TOTOLINK A3100R firmware versions 4.1.2cu.5050_B20200504 and 4.1.2cu.5247_B20211129.

What is the impact of CVE-2022-29638?

CVE-2022-29638 allows attackers to cause a Denial of Service (DoS) by exploiting the stack overflow vulnerability via a crafted POST request.

Which software versions are affected by CVE-2022-29638?

TOTOLINK A3100R firmware versions 4.1.2cu.5050_B20200504 and 4.1.2cu.5247_B20211129 are affected by CVE-2022-29638.

How can an attacker exploit CVE-2022-29638?

An attacker can exploit CVE-2022-29638 by sending a crafted POST request with a malicious payload to the affected TOTOLINK A3100R devices.

Is there a fix for CVE-2022-29638?

At the moment, there is no official fix available for CVE-2022-29638. It is recommended to update to the latest firmware version once it becomes available.

Vulnerability/
CVE-2022-29638

high

7.8

CWE

787

18/5/2022

3/8/2024

CVE-2022-29638

First published: Wed May 18 2022(Updated: )

TOTOLINK A3100R V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129 were discovered to contain a stack overflow via the comment parameter in the function setIpQosRules. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Totolink A3100r Firmware	=4.1.2cu.5050_b20200504
Totolink A3100r Firmware	=4.1.2cu.5247_b20211129
TOTOLink A3100R

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Reference Links

https://github.com/shijin0925/IOT/blob/master/TOTOLINK%20A3100R/2.md

Frequently Asked Questions

What is CVE-2022-29638?
CVE-2022-29638 refers to a stack overflow vulnerability found in TOTOLINK A3100R firmware versions 4.1.2cu.5050_B20200504 and 4.1.2cu.5247_B20211129.
What is the impact of CVE-2022-29638?
CVE-2022-29638 allows attackers to cause a Denial of Service (DoS) by exploiting the stack overflow vulnerability via a crafted POST request.
Which software versions are affected by CVE-2022-29638?
TOTOLINK A3100R firmware versions 4.1.2cu.5050_B20200504 and 4.1.2cu.5247_B20211129 are affected by CVE-2022-29638.
How can an attacker exploit CVE-2022-29638?
An attacker can exploit CVE-2022-29638 by sending a crafted POST request with a malicious payload to the affected TOTOLINK A3100R devices.
Is there a fix for CVE-2022-29638?
At the moment, there is no official fix available for CVE-2022-29638. It is recommended to update to the latest firmware version once it becomes available.

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collector/mitre-cve
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agent/references
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agent/last-modified-date
agent/severity
agent/weakness
agent/description
agent/event
agent/tags
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agent/source
vendor/totolink
canonical/totolink a3100r firmware
version/totolink a3100r firmware/4.1.2cu.5050_b20200504
version/totolink a3100r firmware/4.1.2cu.5247_b20211129
canonical/totolink a3100r

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