CVE-2023-51966 Explained : Impact and Mitigation

Tenda AX1803 v1.0.0.1 contains a stack overflow vulnerability via the adv.iptv.stballvlans parameter in the function setIptvInfo.

Understanding CVE-2023-51966

This article provides insights into the CVE-2023-51966 vulnerability affecting Tenda AX1803 v1.0.0.1.

What is CVE-2023-51966?

CVE-2023-51966 refers to a stack overflow vulnerability present in Tenda AX1803 v1.0.0.1 due to inadequate input validation.

The Impact of CVE-2023-51966

Exploitation of this vulnerability could allow remote attackers to execute arbitrary code or cause a denial of service (DoS) condition on the affected system.

Technical Details of CVE-2023-51966

Below are the technical details related to CVE-2023-51966:

Vulnerability Description

The vulnerability arises from improper handling of input, particularly the adv.iptv.stballvlans parameter, leading to a stack overflow condition.

Affected Systems and Versions

The vulnerability affects Tenda AX1803 router devices running version 1.0.0.1.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted requests containing malicious data to the vulnerable parameter.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-51966, consider the following steps:

Immediate Steps to Take

Disable remote access to the router if not needed.
Regularly monitor vendor updates and patches for security fixes.

Long-Term Security Practices

Implement network segmentation to limit the impact of potential attacks.
Conduct security training for staff to recognize and report suspicious activities.

Patching and Updates

Apply patches or firmware updates provided by Tenda to address the vulnerability and enhance the security of the affected devices.