CVE-2022-30926 Explained : Impact and Mitigation

This article provides an overview of CVE-2022-30926, a stack overflow vulnerability discovered in H3C Magic R100 R100V100R005 via the EditMacList parameter at /goform/aspForm.

Understanding CVE-2022-30926

In this section, we will delve into the details of the vulnerability and its impact.

What is CVE-2022-30926?

The CVE-2022-30926 vulnerability affects H3C Magic R100 R100V100R005 due to a stack overflow issue in the EditMacList parameter.

The Impact of CVE-2022-30926

The vulnerability allows attackers to trigger a stack overflow, potentially leading to arbitrary code execution or denial of service.

Technical Details of CVE-2022-30926

This section covers the technical aspects of the vulnerability.

Vulnerability Description

The stack overflow vulnerability in the EditMacList parameter of H3C Magic R100 R100V100R005 can be exploited by attackers.

Affected Systems and Versions

All versions of H3C Magic R100 R100V100R005 are impacted by CVE-2022-30926.

Exploitation Mechanism

Attackers can exploit the vulnerability by sending specially crafted requests to the EditMacList parameter at /goform/aspForm.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-30926, follow the steps outlined below.

Immediate Steps to Take

Immediately restrict access to the vulnerable parameter and apply security updates when available.

Long-Term Security Practices

Implement network segmentation and regularly monitor for unauthorized activities.

Patching and Updates

Update H3C Magic R100 R100V100R005 to a patched version provided by the vendor.