CVE-2023-2923 : Security Advisory and Response

This CVE-2023-2923 involves a critical vulnerability in the Tenda AC6 router, specifically in the function fromDhcpListClient, leading to a stack-based buffer overflow. The exploit allows for remote attacks, posing a significant threat to affected systems.

Understanding CVE-2023-2923

This section delves deeper into the nature and impact of the CVE-2023-2923 vulnerability.

What is CVE-2023-2923?

The vulnerability identified as CVE-2023-2923 occurs in the Tenda AC6 router, more specifically in the fromDhcpListClient function. Exploiting this flaw can lead to a stack-based buffer overflow, a serious issue that can be triggered remotely. The exploit has been publicly disclosed, raising concerns about potential malicious activities.

The Impact of CVE-2023-2923

With the critical nature of this vulnerability, if successfully exploited, attackers can execute arbitrary code or crash the affected system. The remote accessibility further exacerbates the risk, making it crucial for users to take immediate action to mitigate any potential threats.

Technical Details of CVE-2023-2923

In this section, we outline specific technical details related to CVE-2023-2923.

Vulnerability Description

The CVE-2023-2923 vulnerability in the Tenda AC6 router results from a stack-based buffer overflow in the function fromDhcpListClient. This flaw allows attackers to manipulate data to trigger the overflow, potentially leading to unauthorized execution of code.

Affected Systems and Versions

The vulnerability impacts Tenda's AC6 router, particularly the US_AC6V1.0BR_V15.03.05.19 version. Users operating this specific version are at risk of exploitation unless appropriate measures are taken.

Exploitation Mechanism

Exploiting CVE-2023-2923 involves manipulating unknown data to trigger the stack-based buffer overflow in the fromDhcpListClient function. Since the vulnerability allows for remote attacks, malicious actors can potentially exploit it from anywhere, emphasizing the critical need for timely mitigation.

Mitigation and Prevention

To safeguard systems against the CVE-2023-2923 vulnerability, users and administrators must implement effective security practices and measures.

Immediate Steps to Take

Users should apply any available patches or security updates provided by Tenda to address the vulnerability promptly.
Implement network-level protections and access controls to minimize the risk of remote exploitation.

Long-Term Security Practices

Regularly monitor for security advisories and updates from Tenda to stay informed about potential vulnerabilities and patches.
Conduct regular security assessments and audits to identify and address any existing or emerging security issues proactively.

Patching and Updates

It is crucial for affected users to prioritize the installation of patches and updates released by Tenda to mitigate the CVE-2023-2923 vulnerability effectively. By staying vigilant and proactive in applying security patches, users can enhance the resilience of their systems against potential cyber threats.