CVE-2022-24153 : Security Advisory and Response
Discover the details of CVE-2022-24153 affecting Tenda AX3 v16.03.12.10_CN firmware, allowing attackers to execute a Denial of Service (DoS) attack. Learn about impacts, affected systems, and mitigation strategies.
Tenda AX3 v16.03.12.10_CN has been found to have a critical vulnerability that could lead to a Denial of Service (DoS) attack. Here is a detailed overview of CVE-2022-24153.
Understanding CVE-2022-24153
This section will provide insights into the nature of the vulnerability and its potential impact.
What is CVE-2022-24153?
The vulnerability in Tenda AX3 v16.03.12.10_CN occurs in the function formAddMacfilterRule, leading to a stack overflow. Attackers can exploit this flaw to trigger a DoS attack by manipulating the devName parameter.
The Impact of CVE-2022-24153
The vulnerability enables threat actors to disrupt services and render the affected system inaccessible, causing a significant impact on the availability of the device.
Technical Details of CVE-2022-24153
In this section, we will delve into the specifics of the vulnerability, including affected systems, exploitation methods, and more.
Vulnerability Description
The stack overflow vulnerability in Tenda AX3 v16.03.12.10_CN arises from improper handling of user input in the formAddMacfilterRule function, resulting in a potential DoS condition.
Affected Systems and Versions
The issue affects Tenda AX3 devices running version v16.03.12.10_CN.
Exploitation Mechanism
By sending specially crafted requests with a malicious devName parameter, attackers can exploit the vulnerability to overrun the stack and disrupt normal device operation.
Mitigation and Prevention
This section outlines the steps users and administrators can take to mitigate the risks associated with CVE-2022-24153 and prevent potential attacks.
Immediate Steps to Take
Users are advised to update the firmware of Tenda AX3 to a patched version provided by the vendor. Additionally, network segmentation and firewall rules can help reduce the attack surface.
Long-Term Security Practices
Regularly monitoring and updating device firmware, implementing strong access controls, and conducting security assessments are crucial for maintaining robust network security.
Patching and Updates
Stay informed about security advisories from Tenda and apply patches promptly to address known vulnerabilities and protect devices from exploitation.