CVE-2023-38934 : Exploit Details and Defense Strategies

A critical vulnerability in Tenda F1203, FH1203, and FH1205 routers has been discovered, allowing attackers to execute a stack overflow via a specific parameter. Read on to understand the implications and how to protect your systems.

Understanding CVE-2023-38934

This section delves into the details of the CVE-2023-38934 vulnerability in Tenda routers.

What is CVE-2023-38934?

The CVE-2023-38934 vulnerability affects Tenda F1203 V2.0.1.6, FH1203 V2.0.1.6, and FH1205 V2.0.0.7(775) routers. It involves a stack overflow triggered by the deviceId parameter in the formSetDeviceName function.

The Impact of CVE-2023-38934

The exploitation of this vulnerability could lead to remote code execution, denial of service, or potential unauthorized access to the affected routers.

Technical Details of CVE-2023-38934

In this section, we explore the technical aspects of the CVE-2023-38934 vulnerability.

Vulnerability Description

The vulnerability allows threat actors to overflow the stack, potentially leading to the execution of arbitrary code on the affected devices.

Affected Systems and Versions

Tenda F1203 V2.0.1.6, FH1203 V2.0.1.6, and FH1205 V2.0.0.7(775) routers are impacted by this security flaw.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the deviceId parameter within the formSetDeviceName function, triggering a stack overflow.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2023-38934 and safeguard your network infrastructure.

Immediate Steps to Take

Update your Tenda routers to the latest firmware version provided by the vendor.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Regularly monitor for security advisories and updates from Tenda.
Conduct security assessments and penetration testing on your network.

Patching and Updates

Stay informed about security patches released by Tenda for your specific router models, and apply them promptly to prevent exploitation.