CVE-2022-40101 Explained : Impact and Mitigation
Learn about CVE-2022-40101, a critical buffer overflow vulnerability in Tenda i9 affecting version 1.0.0.8(3828). Find out the impact, technical details, and mitigation steps here.
This article provides detailed information about CVE-2022-40101, a vulnerability found in Tenda i9 v1.0.0.8(3828) that allows for a Denial of Service (DoS) attack through a buffer overflow in the formWifiMacFilterSet function.
Understanding CVE-2022-40101
This section delves into the nature of the CVE-2022-40101 vulnerability in Tenda i9.
What is CVE-2022-40101?
CVE-2022-40101 refers to a buffer overflow vulnerability identified in Tenda i9 v1.0.0.8(3828) within the formWifiMacFilterSet function. This security flaw enables malicious actors to launch a Denial of Service (DoS) attack by exploiting a specially crafted string.
The Impact of CVE-2022-40101
The vulnerability poses a significant risk as attackers can disrupt the normal operation of the affected system by triggering a DoS condition using a specific input.
Technical Details of CVE-2022-40101
In this section, we explore the technical aspects of the CVE-2022-40101 vulnerability.
Vulnerability Description
The buffer overflow in the formWifiMacFilterSet function of Tenda i9 v1.0.0.8(3828) allows threat actors to overflow the buffer with excessive data, potentially leading to a crash or system instability.
Affected Systems and Versions
The vulnerability impacts Tenda i9 devices running version 1.0.0.8(3828).
Exploitation Mechanism
Attackers can exploit this vulnerability by sending a specifically crafted string to the formWifiMacFilterSet function, triggering the buffer overflow and causing a DoS condition.
Mitigation and Prevention
This section highlights the necessary steps to mitigate and prevent exploitation of CVE-2022-40101.
Immediate Steps to Take
Users of Tenda i9 v1.0.0.8(3828) should apply security patches or updates provided by the vendor to address the buffer overflow vulnerability.
Long-Term Security Practices
Implementing robust input validation mechanisms and conducting regular security audits can enhance the overall security posture of IoT devices to prevent similar vulnerabilities.
Patching and Updates
Regularly check for security updates from Tenda to ensure the latest patches are applied to the affected devices, mitigating the risk of exploitation.