CVE-2023-46540 : What You Need to Know

Understanding CVE-2023-46540

This CVE record pertains to a vulnerability found in TOTOLINK X2000R Gh v1.0.0-B20230221.0948.web, where a stack overflow was discovered within the function formNtp.

What is CVE-2023-46540?

CVE-2023-46540 is a security vulnerability identified in TOTOLINK X2000R Gh v1.0.0-B20230221.0948.web that allows an attacker to trigger a stack overflow through the formNtp function.

The Impact of CVE-2023-46540

This vulnerability could potentially be exploited by malicious actors to execute arbitrary code or cause a denial of service on systems running the affected version of TOTOLINK X2000R Gh.

Technical Details of CVE-2023-46540

In-depth technical details of the CVE-2023-46540 vulnerability are as follows:

Vulnerability Description

The vulnerability occurs due to improper handling of user-supplied input by the formNtp function, leading to a stack overflow condition.

Affected Systems and Versions

The affected product is TOTOLINK X2000R Gh v1.0.0-B20230221.0948.web. All versions of this product are susceptible to exploitation.

Exploitation Mechanism

An attacker can exploit this vulnerability by sending specially crafted input to the formNtp function, causing a stack overflow.

Mitigation and Prevention

To address CVE-2023-46540 and enhance system security, consider implementing the following measures:

Immediate Steps to Take

Disable remote access to the affected system, if feasible.
Monitor network traffic for any signs of exploitation attempts.
Contact the vendor for patches or workarounds.

Long-Term Security Practices

Regularly update software and firmware to incorporate security patches.
Conduct security assessments and penetration testing to identify and remediate vulnerabilities.

Patching and Updates

Keep abreast of security advisories from TOTOLINK and apply patches promptly to safeguard against known vulnerabilities.