CVE-2023-49042 : Vulnerability Insights and Analysis

A Heap Overflow vulnerability in Tenda AX1803 v.1.0.0.1 allows a remote attacker to execute arbitrary code via specific parameters in a particular function.

Understanding CVE-2023-49042

This section will cover the essential details of the CVE-2023-49042 vulnerability.

What is CVE-2023-49042?

The CVE-2023-49042 vulnerability is a Heap Overflow issue found in Tenda AX1803 v.1.0.0.1. It enables a remote attacker to run arbitrary code by manipulating specific parameters in the setSchedWifi function.

The Impact of CVE-2023-49042

Exploiting this vulnerability can lead to unauthorized execution of code by malicious actors, potentially compromising the security and integrity of the affected system.

Technical Details of CVE-2023-49042

In this section, we will delve into the technical aspects of the CVE-2023-49042 vulnerability.

Vulnerability Description

The vulnerability arises due to improper handling of user-supplied input in the schedStartTime and schedEndTime parameters of the setSchedWifi function, leading to a heap overflow.

Affected Systems and Versions

The affected system is Tenda AX1803 v.1.0.0.1. All versions prior to this release may be impacted by the CVE-2023-49042 vulnerability.

Exploitation Mechanism

By crafting malicious input for the schedStartTime or schedEndTime parameters, a remote attacker can trigger the heap overflow, potentially gaining unauthorized access to execute arbitrary code.

Mitigation and Prevention

This section will provide insights into mitigating the risks associated with CVE-2023-49042 and preventing exploitation.

Immediate Steps to Take

Update Tenda AX1803 to the latest patched version to address the Heap Overflow vulnerability.
Implement network segmentation and access controls to restrict unauthorized access to vulnerable systems.

Long-Term Security Practices

Regularly monitor security mailing lists and vendor advisories for any updates related to Tenda AX1803 vulnerabilities.
Conduct security assessments and penetration testing to identify and address any potential security gaps.

Patching and Updates

Stay proactive in applying security patches and updates released by Tenda to safeguard against known vulnerabilities like CVE-2023-49042.