CVE-2023-25233 : Security Advisory and Response

This CVE record pertains to a vulnerability in Tenda AC500 V2.0.1.9(1307) that can lead to a Buffer Overflow in a specific function. The vulnerability exists in the function fromRouteStatic due to certain parameters, which can be exploited to trigger a Buffer Overflow attack.

Understanding CVE-2023-25233

This section provides an overview of what CVE-2023-25233 entails.

What is CVE-2023-25233?

CVE-2023-25233 is a vulnerability found in Tenda AC500 V2.0.1.9(1307) that allows for a Buffer Overflow to occur in the function fromRouteStatic. This vulnerability is a result of inadequate input validation when dealing with the parameters 'entrys' and 'mitInterface'.

The Impact of CVE-2023-25233

The impact of this vulnerability is significant as it can be exploited by attackers to execute arbitrary code or crash the affected system. A successful exploitation could potentially lead to a denial of service (DoS) situation or even remote code execution, posing a serious risk to the security and stability of the system.

Technical Details of CVE-2023-25233

In this section, we delve into the technical aspects of CVE-2023-25233.

Vulnerability Description

The vulnerability in Tenda AC500 V2.0.1.9(1307) arises due to a Buffer Overflow in the function fromRouteStatic caused by insufficient input validation on the parameters 'entrys' and 'mitInterface'. This can be exploited by crafting malicious inputs to overwrite adjacent memory locations, leading to unauthorized code execution.

Affected Systems and Versions

The vulnerability affects Tenda AC500 V2.0.1.9(1307). Users running this specific version of the product are at risk of being impacted by CVE-2023-25233 until a patch or mitigation is applied.

Exploitation Mechanism

Attackers can exploit CVE-2023-25233 by sending specially crafted input values for the parameters 'entrys' and 'mitInterface', causing a buffer overflow and potentially gaining control over the affected system. This type of attack can be executed remotely, making it a serious security concern.

Mitigation and Prevention

Protecting systems against CVE-2023-25233 requires immediate action and long-term security practices.

Immediate Steps to Take

Users are advised to restrict network access to vulnerable systems, apply security patches provided by the vendor as soon as they are available, and consider implementing network-level protections to mitigate the risk of exploitation.

Long-Term Security Practices

To enhance overall security posture, organizations should follow best practices such as regular security assessments, implementing secure coding practices, conducting security training for developers, and maintaining up-to-date information on vulnerabilities and patches.

Patching and Updates

It is crucial for users of Tenda AC500 V2.0.1.9(1307) to regularly check for security advisories from the vendor, apply patches promptly, and stay informed about any developments related to CVE-2023-25233 to ensure the safety and integrity of their systems.