CVE-2023-36947 : Vulnerability Insights and Analysis
Explore CVE-2023-36947 impacting TOTOLINK X5000R V9.1.0u.6118_B20201102 and TOTOLINK A7000R V9.1.0u.6115_B20201022. Learn about the stack overflow risk and mitigation steps.
This article provides details about CVE-2023-36947, a vulnerability found in TOTOLINK X5000R V9.1.0u.6118_B20201102 and TOTOLINK A7000R V9.1.0u.6115_B20201022 that leads to a stack overflow through the File parameter in the function UploadCustomModule.
Understanding CVE-2023-36947
This section delves into the nature and impact of the vulnerability.
What is CVE-2023-36947?
CVE-2023-36947 is a stack overflow vulnerability identified in TOTOLINK X5000R and A7000R routers, allowing threat actors to potentially execute arbitrary code via a crafted File parameter.
The Impact of CVE-2023-36947
This vulnerability could be exploited by attackers to trigger a stack overflow, potentially leading to remote code execution on affected devices.
Technical Details of CVE-2023-36947
Explore the specifics of the vulnerability in this section.
Vulnerability Description
The vulnerability arises due to improper handling of user-supplied input in the function UploadCustomModule, which can result in a stack overflow condition.
Affected Systems and Versions
TOTOLINK X5000R V9.1.0u.6118_B20201102 and TOTOLINK A7000R V9.1.0u.6115_B20201022 are confirmed to be impacted by this vulnerability.
Exploitation Mechanism
Exploitation of this vulnerability involves sending a specially crafted File parameter to the UploadCustomModule function, leading to a stack overflow and potential code execution.
Mitigation and Prevention
Learn about the necessary steps to mitigate the risks posed by CVE-2023-36947.
Immediate Steps to Take
Users are advised to apply security patches provided by TOTOLINK promptly to address the vulnerability and prevent potential exploitation.
Long-Term Security Practices
Implementing network segmentation, regularly updating firmware, and monitoring for any suspicious activity can enhance long-term security posture.
Patching and Updates
Stay informed about security updates for TOTOLINK X5000R and A7000R routers, ensuring timely installation of patches to protect against known vulnerabilities.