Learn about CVE-2023-37717 affecting Tenda F1202, AC10, AC1206, and other routers. Understand the impact, affected versions, and mitigation steps.
This article provides an overview of CVE-2023-37717, which involves a stack overflow vulnerability found in certain Tenda router models.
Understanding CVE-2023-37717
This section delves into the details of the CVE-2023-37717 vulnerability.
What is CVE-2023-37717?
The CVE-2023-37717 vulnerability affects Tenda F1202 V1.0BR_V1.2.0.20(408), FH1202_V1.2.0.19_EN, AC10 V1.0, AC1206 V1.0, AC7 V1.0, AC5 V1.0, and AC9 V3.0 routers. It involves a stack overflow in the page parameter within the function fromDhcpListClient.
The Impact of CVE-2023-37717
This vulnerability could allow an attacker to execute arbitrary code, leading to a potential system compromise and unauthorized access to the affected router.
Technical Details of CVE-2023-37717
In this section, we explore the technical aspects of CVE-2023-37717.
Vulnerability Description
The stack overflow in the page parameter of the fromDhcpListClient function can be exploited by an attacker to trigger a buffer overflow, potentially executing malicious code.
Affected Systems and Versions
Tenda F1202 V1.0BR_V1.2.0.20(408), FH1202_V1.2.0.19_EN, AC10 V1.0, AC1206 V1.0, AC7 V1.0, AC5 V1.0, and AC9 V3.0 routers are known to be impacted by this vulnerability.
Exploitation Mechanism
An attacker with network access to the router could send crafted requests to exploit the stack overflow in the mentioned function, leading to unauthorized code execution.
Mitigation and Prevention
This section discusses steps to mitigate and prevent exploitation of CVE-2023-37717.
Immediate Steps to Take
Users of the affected Tenda router models should apply security patches provided by the vendor as soon as possible. Additionally, network segmentation and firewall rules can help reduce the risk of exploitation.
Long-Term Security Practices
Regularly updating router firmware and implementing strong password policies are essential for reducing the likelihood of successful attacks on network devices.
Patching and Updates
Stay informed about security updates released by Tenda for the affected router models and promptly apply any patches to protect against known vulnerabilities.