CVE-2022-45663 : Security Advisory and Response

A buffer overflow vulnerability was discovered in Tenda i22 V1.0.0.3(4687) through the index parameter in the formWifiMacFilterSet function.

Understanding CVE-2022-45663

This section provides insights into the critical details of the CVE-2022-45663.

What is CVE-2022-45663?

CVE-2022-45663 is a buffer overflow vulnerability found in Tenda i22 V1.0.0.3(4687) due to improper handling of input data.

The Impact of CVE-2022-45663

The vulnerability could allow an attacker to execute arbitrary code or crash the application, leading to a denial of service or potential remote code execution.

Technical Details of CVE-2022-45663

Here, we dive into the specifics of the technical aspects surrounding CVE-2022-45663.

Vulnerability Description

The buffer overflow occurs via the index parameter in the formWifiMacFilterSet function, enabling an attacker to overwrite adjacent memory locations.

Affected Systems and Versions

The issue affects Tenda i22 V1.0.0.3(4687) versions that utilize the formWifiMacFilterSet function with improper input validation.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious input for the index parameter, triggering a buffer overflow.

Mitigation and Prevention

In this section, we discuss the crucial steps to mitigate and prevent exploitation of CVE-2022-45663.

Immediate Steps to Take

Immediately restrict network access to vulnerable systems, apply recommended patches, and monitor for any suspicious activities.

Long-Term Security Practices

Implement secure coding practices, conduct regular security assessments, and educate developers on the importance of input validation.

Patching and Updates

Ensure timely application of security patches provided by Tenda to address this buffer overflow vulnerability in i22 V1.0.0.3(4687).