CVE-2023-26805 : What You Need to Know

This CVE record was published by MITRE on March 19, 2023. The vulnerability identified as CVE-2023-26805 affects the Tenda W20E v15.11.0.6 (US_W20EV4.0br_v15.11.0.6(1068_1546_841)_CN_TDC) device due to a buffer overflow in the function formIPMacBindModify.

Understanding CVE-2023-26805

This section delves into the specifics of CVE-2023-26805, the impact it poses, technical details, and mitigation strategies.

What is CVE-2023-26805?

CVE-2023-26805 is a vulnerability found in the Tenda W20E v15.11.0.6 device, which allows for a buffer overflow via the function formIPMacBindModify. This type of vulnerability could potentially lead to unauthorized access, data corruption, or system crashes.

The Impact of CVE-2023-26805

The impact of this vulnerability could be severe, potentially leading to remote code execution, unauthorized access to sensitive information, or disruption of critical services. Attackers exploiting this vulnerability could compromise the security and integrity of the affected device.

Technical Details of CVE-2023-26805

Understanding the technical aspects of CVE-2023-26805 can help in better comprehending the nature of the vulnerability.

Vulnerability Description

The vulnerability in Tenda W20E v15.11.0.6 arises due to a buffer overflow in the formIPMacBindModify function. This buffer overflow could be exploited by malicious actors to execute arbitrary code or perform unauthorized actions on the device.

Affected Systems and Versions

The specific version impacted by CVE-2023-26805 is Tenda W20E v15.11.0.6 (US_W20EV4.0br_v15.11.0.6(1068_1546_841)_CN_TDC). Users with this version should take immediate action to mitigate the risk.

Exploitation Mechanism

Attackers can exploit the buffer overflow vulnerability in the formIPMacBindModify function to send crafted inputs, leading to the overflow of the allocated buffer and potentially executing arbitrary code on the affected device.

Mitigation and Prevention

Taking proactive measures to mitigate the risks associated with CVE-2023-26805 is crucial to safeguarding the affected systems and data.

Immediate Steps to Take

Users and administrators are advised to apply security patches or updates provided by the vendor to address the vulnerability promptly. Additionally, restricting network access to vulnerable devices can help mitigate the risk of exploitation.

Long-Term Security Practices

Implementing strong access controls, network segmentation, and regular security assessments can enhance the overall security posture of the environment and reduce the likelihood of successful cyber attacks.

Patching and Updates

Staying informed about security advisories from the vendor and promptly applying patches or updates to the affected systems is essential in preventing potential exploitation of vulnerabilities such as CVE-2023-26805. Regularly monitoring for security updates and implementing a robust patch management process can help in maintaining a secure infrastructure.