CVE-2023-34567 : Vulnerability Insights and Analysis

A detailed look at the CVE-2023-34567 vulnerability affecting Tenda AC10 v4 US_AC10V4.0si_V16.03.10.13_cn router.

Understanding CVE-2023-34567

This article outlines the description, impact, technical details, and mitigation strategies related to CVE-2023-34567.

What is CVE-2023-34567?

The CVE-2023-34567 vulnerability was discovered in Tenda AC10 v4 router, leading to a stack overflow via parameter list at /goform/SetVirtualServerCfg.

The Impact of CVE-2023-34567

The vulnerability allows attackers to potentially execute arbitrary code or cause a denial of service (DoS) condition on affected devices.

Technical Details of CVE-2023-34567

Here are the technical specifics of CVE-2023-34567:

Vulnerability Description

The stack overflow vulnerability arises from inadequate input validation, enabling malicious inputs to overwrite the stack memory.

Affected Systems and Versions

Tenda AC10 v4 router with firmware version US_AC10V4.0si_V16.03.10.13_cn is impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted parameter lists to the /goform/SetVirtualServerCfg endpoint, triggering the stack overflow.

Mitigation and Prevention

Protect your system from CVE-2023-34567 by following these guidelines:

Immediate Steps to Take

Disable remote access to the vulnerable service until a patch is available.
Monitor network traffic for any suspicious activity that could indicate exploitation.

Long-Term Security Practices

Regularly update firmware to latest versions provided by the vendor.
Implement strong firewall rules to restrict unauthorized access to the router.

Patching and Updates

Stay informed about security advisories from Tenda and promptly apply any patches or updates released to address CVE-2023-34567.