CVE-2021-23242 : Vulnerability Insights and Analysis

MERCUSYS Mercury X18G 1.0.5 devices are vulnerable to a Directory Traversal attack that allows unauthorized access to the UPnP server. This can be exploited using a specific URI path.

Understanding CVE-2021-23242

This section will cover essential details about the CVE-2021-23242 vulnerability.

What is CVE-2021-23242?

CVE-2021-23242 is a security vulnerability found in MERCUSYS Mercury X18G 1.0.5 devices, enabling Directory Traversal through the UPnP server using a crafted URI.

The Impact of CVE-2021-23242

The impact of this vulnerability includes unauthorized access to sensitive information on the device, potential data breaches, and security compromise.

Technical Details of CVE-2021-23242

Providing technical insights into the CVE-2021-23242 vulnerability.

Vulnerability Description

The vulnerability in MERCUSYS Mercury X18G 1.0.5 devices allows an attacker to traverse directories and access restricted files through the UPnP server, leading to unauthorized information disclosure.

Affected Systems and Versions

All MERCUSYS Mercury X18G devices running version 1.0.5 are affected by this vulnerability.

Exploitation Mechanism

Attackers exploit this vulnerability by manipulating specific URI paths to navigate outside the intended directory structure and gain access to confidential files.

Mitigation and Prevention

Exploring measures to mitigate and prevent potential risks associated with CVE-2021-23242.

Immediate Steps to Take

Users should update their MERCUSYS Mercury X18G 1.0.5 devices to the latest firmware version to patch the vulnerability and prevent unauthorized access.

Long-Term Security Practices

Implementing robust security practices such as network segmentation, access control, and regular security audits can enhance overall device security.

Patching and Updates

Regularly check for security updates from the official vendor and apply patches promptly to address known vulnerabilities and secure the devices.