CVE-2022-40874 : Exploit Details and Defense Strategies
Discover the heap overflow vulnerability in Tenda AX1803 v1.0.0.1 that can lead to a denial of service attack through a crafted http request. Learn about the impact, technical details, and mitigation steps.
A heap overflow vulnerability in Tenda AX1803 v1.0.0.1 can lead to a denial of service attack through a crafted http request.
Understanding CVE-2022-40874
This section will cover what CVE-2022-40874 entails and its potential impact.
What is CVE-2022-40874?
The CVE-2022-40874 vulnerability is present in Tenda AX1803 v1.0.0.1 due to a heap overflow issue in the GetParentControlInfo function. This flaw can be exploited to launch a denial of service attack.
The Impact of CVE-2022-40874
If successfully exploited, malicious actors can leverage this vulnerability to disrupt the normal operation of the affected system or device, leading to a denial of service condition.
Technical Details of CVE-2022-40874
In this section, we will delve into the specifics of the vulnerability, including affected systems, exploitation mechanisms, and more.
Vulnerability Description
The heap overflow vulnerability in the GetParentControlInfo function of Tenda AX1803 v1.0.0.1 allows threat actors to trigger a denial of service attack by sending a carefully crafted http request.
Affected Systems and Versions
The issue impacts Tenda AX1803 router devices running version 1.0.0.1 specifically, putting them at risk of exploitation.
Exploitation Mechanism
By sending a specially crafted http request to the vulnerable device, attackers can trigger the heap overflow flaw, resulting in a denial of service disruption.
Mitigation and Prevention
Here, we outline steps to mitigate the risks associated with CVE-2022-40874 and prevent potential attacks.
Immediate Steps to Take
Users are advised to restrict network access to vulnerable devices and apply security best practices to minimize the risk of exploitation.
Long-Term Security Practices
Regularly updating and patching network devices, implementing network segmentation, and monitoring network traffic can enhance overall security posture.
Patching and Updates
Ensure to apply any security patches or updates released by Tenda for the affected AX1803 routers to address the heap overflow vulnerability.