CVE-2023-38938 : Security Advisory and Response

This article explores CVE-2023-38938, a vulnerability found in Tenda F1202 V1.2.0.9, PA202 V1.1.2.5, PW201A V1.1.2.5, and FH1202 V1.2.0.9, leading to a stack overflow via the page parameter at /L7Im.

Understanding CVE-2023-38938

This section delves into the details of the CVE-2023-38938 vulnerability.

What is CVE-2023-38938?

CVE-2023-38938 is a stack overflow vulnerability discovered in Tenda routers, specifically models F1202 V1.2.0.9, PA202 V1.1.2.5, PW201A V1.1.2.5, and FH1202 V1.2.0.9.

The Impact of CVE-2023-38938

This vulnerability allows attackers to trigger a stack overflow through the page parameter at /L7Im, potentially leading to remote code execution or denial of service attacks.

Technical Details of CVE-2023-38938

In this section, we discuss the technical aspects of CVE-2023-38938.

Vulnerability Description

The stack overflow vulnerability in Tenda routers can be exploited by malicious actors to compromise the devices and carry out unauthorized actions.

Affected Systems and Versions

Tenda F1202 V1.2.0.9, PA202 V1.1.2.5, PW201A V1.1.2.5, and FH1202 V1.2.0.9 are confirmed to be affected by this vulnerability.

Exploitation Mechanism

By manipulating the page parameter at /L7Im, threat actors can exploit the vulnerability to execute arbitrary code or disrupt the normal functioning of the routers.

Mitigation and Prevention

This section focuses on the steps to mitigate and prevent exploitation of CVE-2023-38938.

Immediate Steps to Take

Users are advised to update their Tenda routers to the latest firmware version provided by the vendor.

Long-Term Security Practices

Implementing network segmentation, strong firewall rules, and regular security updates can enhance the overall security posture against such vulnerabilities.

Patching and Updates

Regularly check for firmware updates from Tenda and apply them promptly to protect against known vulnerabilities like CVE-2023-38938.