CVE-2023-46555 : What You Need to Know

A stack overflow vulnerability was discovered in TOTOLINK X2000R Gh v1.0.0-B20230221.0948.web, affecting the function formPortFw.

Understanding CVE-2023-46555

This section provides insights into the impact, technical details, and mitigation strategies for CVE-2023-46555.

What is CVE-2023-46555?

CVE-2023-46555 is a stack overflow vulnerability found in TOTOLINK X2000R Gh v1.0.0-B20230221.0948.web through the function formPortFw.

The Impact of CVE-2023-46555

This vulnerability allows attackers to potentially execute arbitrary code or crash the system, leading to a denial of service.

Technical Details of CVE-2023-46555

Here, we delve into the vulnerability description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability arises due to a lack of proper input validation in the function formPortFw, enabling a stack overflow condition.

Affected Systems and Versions

All instances of TOTOLINK X2000R Gh v1.0.0-B20230221.0948.web are affected by this vulnerability.

Exploitation Mechanism

An attacker can exploit this issue by crafting a malicious input that triggers the stack overflow, potentially leading to arbitrary code execution or system crashes.

Mitigation and Prevention

Discover the immediate steps and best practices to safeguard your systems against CVE-2023-46555.

Immediate Steps to Take

Disable any exposed management interfaces until a patch is available.
Monitor network traffic for any suspicious activities.
Apply vendor-supplied patches as soon as they are released.

Long-Term Security Practices

Implement secure coding practices to prevent buffer overflows.
Regularly update and patch software to address known vulnerabilities.

Patching and Updates

Ensure timely installation of patches provided by TOTOLINK to address the stack overflow vulnerability in X2000R Gh v1.0.0-B20230221.0948.web.