CVE-2023-24098 : Security Advisory and Response

This CVE record pertains to the TrendNet Wireless AC Easy-Upgrader TEW-820AP v1.0R, specifically firmware version 1.01.B01, which has been identified with a critical security vulnerability. The vulnerability involves a stack overflow that can be exploited through the submit-url parameter at /formSysLog. This flaw may enable malicious actors to execute arbitrary code by utilizing a specially crafted payload. It is important to note that this vulnerability affects only products that are no longer supported by the maintainer.

Understanding CVE-2023-24098

This section will delve into the details of CVE-2023-24098, providing insights into the nature of the vulnerability and its potential impact.

What is CVE-2023-24098?

CVE-2023-24098 is a security vulnerability found in the TrendNet Wireless AC Easy-Upgrader TEW-820AP v1.0R firmware version 1.01.B01. The flaw allows attackers to trigger a stack overflow via the submit-url parameter at /formSysLog, offering them the capability to execute arbitrary code through a tailored payload.

The Impact of CVE-2023-24098

The impact of CVE-2023-24098 can be severe, as it grants threat actors the ability to exploit the vulnerability to run unauthorized code on affected devices. This could lead to a range of malicious activities, including remote access, data theft, and system manipulation.

Technical Details of CVE-2023-24098

In this section, we will explore the technical aspects of CVE-2023-24098, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in TrendNet Wireless AC Easy-Upgrader TEW-820AP v1.0R firmware version 1.01.B01 stems from a stack overflow triggered by the submit-url parameter at /formSysLog. This flaw enables threat actors to inject and execute arbitrary code, potentially compromising the security and integrity of the device.

Affected Systems and Versions

The impacted systems include the TrendNet Wireless AC Easy-Upgrader TEW-820AP v1.0R running firmware version 1.01.B01. As this vulnerability affects products that are no longer supported by the maintainer, it is crucial for users to take immediate action to address the issue.

Exploitation Mechanism

Attackers can exploit CVE-2023-24098 by sending a specially crafted payload via the submit-url parameter at /formSysLog. By triggering a stack overflow, malicious actors can manipulate the system to execute unauthorized code, posing a significant security risk to the device.

Mitigation and Prevention

To safeguard against CVE-2023-24098 and mitigate the associated risks, users and organizations should follow specific security measures and best practices.

Immediate Steps to Take

Discontinue the use of affected devices if possible.
Disconnect the device from the network to prevent remote exploitation.
Reach out to the maintainer or vendor for guidance on addressing the vulnerability.

Long-Term Security Practices

Regularly update firmware and software to ensure the latest security patches are in place.
Implement network segmentation to restrict the impact of potential breaches.
Conduct regular security audits and vulnerability assessments to identify and remediate weaknesses proactively.

Patching and Updates

While the affected product may no longer receive support, users should explore alternative methods for securing the device, such as community-developed patches or firmware updates.
Consider upgrading to a newer, supported device that offers robust security features and ongoing maintenance to prevent similar vulnerabilities in the future.