CVE-2022-29638: High severity totolink a3100r vulnerability

Published May 18, 2022
·
Updated

TOTOLINK A3100R V4.1.2cu.5050B20200504 and V4.1.2cu.5247B20211129 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.

Affected Software

3 affected components
TOTOLINK A3100r Firmware=4.1.2cu.5050_b20200504
TOTOLINK A3100r Firmware=4.1.2cu.5247_b20211129
TOTOLINK A3100R

Event History

May 18, 2022
CVE Published
via MITRE·11:50 AM
Data Sourced
via MITRE·11:50 AM
Description
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Frequently Asked Questions

1

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.

2

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.

3

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.

4

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.

5

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.

Contact

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