CVE-2023-40838 : Security Advisory and Response

A command execution vulnerability has been identified in Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin function 'sub_3A1D0'. Learn about the impact, technical details, and mitigation steps for CVE-2023-40838.

Understanding CVE-2023-40838

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin function 'sub_3A1D0' contains a command execution vulnerability.

What is CVE-2023-40838?

CVE-2023-40838 is a vulnerability in Tenda AC6 that allows an attacker to execute commands through a specific function in the firmware.

The Impact of CVE-2023-40838

This vulnerability could be exploited by threat actors to run malicious commands on affected devices, leading to a compromise of confidentiality, integrity, and availability of the device.

Technical Details of CVE-2023-40838

The following information provides more insight into the vulnerability.

Vulnerability Description

The vulnerability exists in the 'sub_3A1D0' function of Tenda AC6 firmware, allowing unauthorized command execution.

Affected Systems and Versions

All versions of Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin firmware are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending crafted commands to the affected function, gaining unauthorized access to the device.

Mitigation and Prevention

Protect your systems from CVE-2023-40838 with the following steps.

Immediate Steps to Take

Update Tenda AC6 firmware to the latest version that patches the command execution vulnerability.
Monitor network traffic for any unusual activity that may indicate exploitation.

Long-Term Security Practices

Implement network segmentation to limit the impact of potential intrusions.
Regularly update firmware and security patches to protect against known vulnerabilities.

Patching and Updates

Stay informed about security updates and patches released by Tenda for the AC6 model to address CVE-2023-40838.