CVE-2023-40797 : Vulnerability Insights and Analysis

A post-authentication stack overflow vulnerability has been identified in Tenda AC23 v16.03.07.45_cn. This CVE-2023-40797 article provides insights into the vulnerability, its impact, and mitigation strategies.

Understanding CVE-2023-40797

In Tenda AC23 v16.03.07.45_cn, the sub_4781A4 function does not validate user-entered parameters, leading to a stack overflow vulnerability.

What is CVE-2023-40797?

CVE-2023-40797 is a post-authentication stack overflow vulnerability in Tenda AC23 v16.03.07.45_cn due to improper parameter validation.

The Impact of CVE-2023-40797

This vulnerability allows attackers to trigger a stack overflow post-authentication, potentially leading to remote code execution or denial of service.

Technical Details of CVE-2023-40797

The following sections outline the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The sub_4781A4 function in Tenda AC23 v16.03.07.45_cn lacks proper user input validation, enabling an attacker to trigger a stack overflow post-authentication.

Affected Systems and Versions

Vendor: n/a, Product: n/a, Versions: n/a (Status: Affected)

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted input, causing a stack overflow and potentially executing arbitrary code.

Mitigation and Prevention

Discover immediate steps and long-term security practices to protect systems from CVE-2023-40797.

Immediate Steps to Take

Security patches, network firewall configurations, and monitoring for any suspicious activities can help mitigate the risk of exploitation.

Long-Term Security Practices

Regular security assessments, timely patch management, and security awareness training for users can enhance overall system security.

Patching and Updates

Stay informed about security updates from Tenda and apply relevant patches promptly to address CVE-2023-40797.