CVE-2023-40897 : Vulnerability Insights and Analysis

A detailed analysis of CVE-2023-40897, a cybersecurity vulnerability impacting Tenda AC8 v4 US_AC8V4.0si_V16.03.34.06_cn that allows a stack overflow attack via a specific parameter.

Understanding CVE-2023-40897

CVE-2023-40897 is a published cybersecurity vulnerability affecting Tenda AC8 v4 US_AC8V4.0si_V16.03.34.06_cn, identified due to a stack overflow vulnerability through a particular parameter in the system.

What is CVE-2023-40897?

The CVE-2023-40897 vulnerability in Tenda AC8 v4 US_AC8V4.0si_V16.03.34.06_cn allows attackers to trigger a stack overflow by manipulating a specific parameter, potentially leading to unauthorized access or system compromise.

The Impact of CVE-2023-40897

This vulnerability can be exploited by threat actors to execute malicious code, disrupt services, or gain unauthorized access to sensitive information on affected systems.

Technical Details of CVE-2023-40897

A deeper look into the technical aspects of CVE-2023-40897, including the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability in Tenda AC8 v4 US_AC8V4.0si_V16.03.34.06_cn arises from a stack overflow condition triggered by a specific parameter 'mac' in the /goform/GetParentControlInfo endpoint, potentially leading to arbitrary code execution.

Affected Systems and Versions

All versions of Tenda AC8 v4 US_AC8V4.0si_V16.03.34.06_cn are affected by this vulnerability, exposing systems with this configuration to exploitation.

Exploitation Mechanism

Cyber attackers can exploit CVE-2023-40897 by sending specially crafted requests containing a malicious 'mac' parameter value, causing a stack overflow and enabling the execution of arbitrary code.

Mitigation and Prevention

Best practices to mitigate and prevent the exploitation of CVE-2023-40897, safeguarding systems from potential security breaches.

Immediate Steps to Take

Update Tenda AC8 v4 US_AC8V4.0si_V16.03.34.06_cn to a patched version, limit network access to vulnerable systems, and monitor for any suspicious activities indicating exploitation of the vulnerability.

Long-Term Security Practices

Incorporate regular security audits, train employees on cybersecurity best practices, implement network segmentation, and stay informed about security updates and patches to enhance overall cybersecurity posture.

Patching and Updates

Keep software and firmware up to date, apply patches released by the vendor promptly, and follow secure configuration guidelines to reduce the risk of successful exploitation of CVE-2023-40897.