CVE-2023-48801 Explained : Impact and Mitigation

This article provides an overview of CVE-2023-48801, discussing the vulnerability, its impact, technical details, and mitigation strategies.

Understanding CVE-2023-48801

In TOTOLINK X6000R_Firmware V9.4.0cu.852_B20230719, a command execution vulnerability exists due to improper handling of user input.

What is CVE-2023-48801?

The vulnerability arises from the way the shttpd file sub_415534 function processes input fields and executes commands, potentially leading to unauthorized command execution.

The Impact of CVE-2023-48801

Exploitation of this vulnerability could allow an attacker to execute arbitrary commands on the affected system, leading to potential data breaches and system compromise.

Technical Details of CVE-2023-48801

The following details outline the vulnerability further.

Vulnerability Description

The shttpd file sub_415534 function concatenates user input in a way that allows malicious commands to be executed, posing a significant security risk.

Affected Systems and Versions

The vulnerability affects TOTOLINK X6000R_Firmware V9.4.0cu.852_B20230719. All versions prior to the patched release are vulnerable to exploitation.

Exploitation Mechanism

By crafting specific input fields, an attacker can inject malicious commands into the shttpd file sub_415534 function, tricking the system into running unauthorized operations.

Mitigation and Prevention

To address CVE-2023-48801 and enhance system security, follow these guidelines.

Immediate Steps to Take

Disable remote access to vulnerable services if not required.
Apply vendor-supplied patches and updates promptly.

Long-Term Security Practices

Regularly monitor for security advisories related to TOTOLINK products.
Conduct security assessments to identify and remediate vulnerabilities proactively.

Patching and Updates

Keep systems up to date with the latest firmware releases from TOTOLINK to mitigate known security issues.