CVE-2022-42081 Explained : Impact and Mitigation

A stack overflow vulnerability was discovered in Tenda AC1206 US_AC1206V1.0RTL_V15.03.06.23 which could be exploited via the sched_end_time parameter.

Understanding CVE-2022-42081

This section will delve into the details of CVE-2022-42081, highlighting its impact, technical aspects, and mitigation strategies.

What is CVE-2022-42081?

The CVE-2022-42081 vulnerability exists in Tenda AC1206 US_AC1206V1.0RTL_V15.03.06.23 due to a stack overflow triggered by the sched_end_time parameter.

The Impact of CVE-2022-42081

This vulnerability could potentially allow remote attackers to execute arbitrary code or cause a denial of service by sending specially crafted requests.

Technical Details of CVE-2022-42081

In this section, we will explore the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The stack overflow vulnerability in Tenda AC1206 US_AC1206V1.0RTL_V15.03.06.23 is triggered by the sched_end_time parameter, which could lead to code execution or denial of service.

Affected Systems and Versions

All versions of Tenda AC1206 US_AC1206V1.0RTL_V15.03.06.23 are impacted by this vulnerability.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by sending malicious requests containing specially crafted sched_end_time parameter values.

Mitigation and Prevention

To secure systems against CVE-2022-42081, immediate steps should be taken along with long-term security practices and timely patching and updates.

Immediate Steps to Take

Disable remote access, implement network-level protections, and monitor for any suspicious activity related to the sched_end_time parameter.

Long-Term Security Practices

Regular security audits, code reviews, and ensuring secure coding practices can help prevent similar vulnerabilities in the future.

Patching and Updates

Apply patches provided by Tenda promptly to address the stack overflow vulnerability in AC1206 US_AC1206V1.0RTL_V15.03.06.23.