CVE-2023-24099 : Exploit Details and Defense Strategies

A vulnerability has been identified in TrendNet Wireless AC Easy-Upgrader TEW-820AP v1.0R, firmware version 1.01.B01, marked with CVE-2023-24099. This vulnerability allows attackers to exploit a stack overflow via the username parameter at /formWizardPassword, enabling them to execute arbitrary code through a malicious payload. It is important to note that this vulnerability specifically affects products that are no longer supported by the maintainer.

Understanding CVE-2023-24099

This section delves into what CVE-2023-24099 entails, its impact, technical details, and mitigation strategies.

What is CVE-2023-24099?

CVE-2023-24099 is a security flaw found in TrendNet Wireless AC Easy-Upgrader TEW-820AP v1.0R, firmware version 1.01.B01. The vulnerability arises from a stack overflow in the username parameter located at /formWizardPassword, allowing threat actors to run unauthorized code using a specifically crafted payload.

The Impact of CVE-2023-24099

The impact of CVE-2023-24099 is significant as it exposes affected systems to potential exploitation by malicious entities. With the ability to execute arbitrary code, attackers can compromise the integrity and confidentiality of the system, leading to severe consequences for the affected organization.

Technical Details of CVE-2023-24099

To address CVE-2023-24099 effectively, understanding its technical aspects is crucial.

Vulnerability Description

The vulnerability in TrendNet Wireless AC Easy-Upgrader TEW-820AP v1.0R, firmware version 1.01.B01, arises from a stack overflow via the username parameter at /formWizardPassword. This flaw allows threat actors to execute arbitrary code, posing a serious risk to the security of the system.

Affected Systems and Versions

The affected system includes TrendNet Wireless AC Easy-Upgrader TEW-820AP v1.0R with firmware version 1.01.B01. It is important to note that this vulnerability impacts products that are no longer supported by the maintainer.

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging a crafted payload through the username parameter at /formWizardPassword. This exploitation can lead to the execution of unauthorized code, potentially compromising the system's security.

Mitigation and Prevention

Addressing CVE-2023-24099 requires immediate action and long-term security measures to safeguard systems from potential exploitation.

Immediate Steps to Take

Organizations using the affected firmware should consider isolating the vulnerable devices from the network to prevent unauthorized access.
It is advisable to monitor network activities closely for any signs of unauthorized access or malicious activities.

Long-Term Security Practices

Implement regular security audits and vulnerability assessments to identify and address potential weaknesses in the system.
Ensure that all devices in the network are updated with the latest firmware versions to enhance security and patch known vulnerabilities.

Patching and Updates

As this vulnerability affects unsupported products, it is recommended to upgrade to newer and supported versions if available. In cases where updates are not feasible, additional security measures may be necessary to mitigate the risk of exploitation.