CVE-2022-43103 : Security Advisory and Response
Understand the impact of CVE-2022-43103, a stack overflow vulnerability in Tenda AC23 V16.03.07.45_cn, its technical details, affected systems, exploitation, and mitigation steps.
This article discusses a stack overflow vulnerability identified as CVE-2022-43103 in Tenda AC23 V16.03.07.45_cn that can be exploited via a specific parameter in the formSetQosBand function.
Understanding CVE-2022-43103
This section provides insights into the impact and technical details of the CVE-2022-43103 vulnerability.
What is CVE-2022-43103?
CVE-2022-43103 is a stack overflow vulnerability found in Tenda AC23 V16.03.07.45_cn that arises due to improper handling of input parameters, specifically in the list parameter within the formSetQosBand function.
The Impact of CVE-2022-43103
The impact of this vulnerability allows an attacker to trigger a stack overflow by providing malicious input, potentially leading to remote code execution or denial of service.
Technical Details of CVE-2022-43103
This section delves into the vulnerability description, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability originates from insufficient input validation in the list parameter of the formSetQosBand function, leading to a stack overflow condition.
Affected Systems and Versions
Tenda AC23 V16.03.07.45_cn is confirmed to be affected by CVE-2022-43103 due to the identified stack overflow vulnerability in its firmware.
Exploitation Mechanism
The vulnerability can be exploited by sending specially crafted input via the list parameter to the formSetQosBand function, causing a buffer overflow and potentially enabling malicious activities.
Mitigation and Prevention
Learn about the immediate steps to take and long-term security practices to safeguard systems against CVE-2022-43103.
Immediate Steps to Take
It is recommended to update to a patched version provided by the vendor, apply security best practices, and monitor network traffic for any suspicious activities.
Long-Term Security Practices
Employ robust input validation, implement secure coding practices, conduct regular security audits, and keep systems updated with the latest patches.
Patching and Updates
Regularly check for firmware updates from Tenda for the AC23 V16.03.07.45_cn model to address the CVE-2022-43103 vulnerability.