CVE-2023-25213 : Security Advisory and Response

This article provides an overview of CVE-2023-25213, including its description, impact, technical details, and mitigation strategies.

Understanding CVE-2023-25213

CVE-2023-25213 is a vulnerability found in the Tenda AC5 US_AC5V1.0RTL_V15.03.06.28 firmware. This vulnerability stems from a stack overflow in the check_param_changed function, enabling attackers to launch Denial of Service (DoS) attacks or execute arbitrary code by utilizing a specially crafted payload.

What is CVE-2023-25213?

CVE-2023-25213 is a stack overflow vulnerability identified in the Tenda AC5 US_AC5V1.0RTL_V15.03.06.28 firmware. It can be exploited by malicious actors to trigger a DoS attack or execute unauthorized code on the affected system.

The Impact of CVE-2023-25213

The impact of CVE-2023-25213 is significant as it can lead to service disruptions through DoS attacks and unauthorized code execution, posing a threat to the confidentiality, integrity, and availability of the affected system.

Technical Details of CVE-2023-25213

The technical details of CVE-2023-25213 encompass its vulnerability description, affected systems, and the exploitation mechanism utilized by malicious actors.

Vulnerability Description

The vulnerability in Tenda AC5 US_AC5V1.0RTL_V15.03.06.28 is a result of a stack overflow in the check_param_changed function, allowing attackers to manipulate the system's memory and potentially execute arbitrary code or disrupt services through a DoS attack.

Affected Systems and Versions

The vulnerability affects Tenda AC5 US_AC5V1.0RTL_V15.03.06.28 firmware. The specific affected vendor, product, and versions are not disclosed in the advisory.

Exploitation Mechanism

To exploit CVE-2023-25213, threat actors would craft a payload specifically designed to trigger the stack overflow in the check_param_changed function, gaining the ability to disrupt services or execute malicious code on the vulnerable system.

Mitigation and Prevention

Mitigating CVE-2023-25213 requires immediate actions to address the vulnerability and prevent potential exploitation. Employing both short-term and long-term security practices is essential to safeguard systems from such vulnerabilities.

Immediate Steps to Take

Immediate steps to mitigate CVE-2023-25213 include monitoring security advisories for patches or workarounds, restricting network access to vulnerable systems, and implementing intrusion detection mechanisms to detect potential exploitation attempts.

Long-Term Security Practices

Long-term security practices such as regular vulnerability assessments, security training for staff, implementing network segmentation, and keeping systems up to date with security patches can enhance the overall security posture of an organization.

Patching and Updates

Vendor-issued patches and updates should be applied promptly to address CVE-2023-25213. Regularly monitoring vendor communications and security advisories can help organizations stay informed about available patches and updates to mitigate vulnerabilities effectively.