CVE-2022-40074 : Exploit Details and Defense Strategies

This article provides detailed insights into CVE-2022-40074, a vulnerability impacting Tenda AC21 V 16.03.08.15 that leaves systems exposed to Buffer Overflow via /bin/httpd, setSchedWifi.

Understanding CVE-2022-40074

CVE-2022-40074 is a security flaw affecting Tenda AC21 V 16.03.08.15, allowing attackers to exploit Buffer Overflow through specific components.

What is CVE-2022-40074?

The vulnerability in Tenda AC21 V 16.03.08.15 enables threat actors to trigger Buffer Overflow via /bin/httpd, setSchedWifi, leading to potential system compromise.

The Impact of CVE-2022-40074

CVE-2022-40074 poses a significant risk as it could be leveraged by malicious entities to execute arbitrary code, potentially leading to unauthorized access or system control.

Technical Details of CVE-2022-40074

This section delves into the technical aspects of CVE-2022-40074, shedding light on the vulnerability's description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

Tenda AC21 V 16.03.08.15 is prone to Buffer Overflow via /bin/httpd, setSchedWifi, opening avenues for attackers to manipulate memory to execute malicious actions.

Affected Systems and Versions

The affected system is Tenda AC21 V 16.03.08.15, with the identified vulnerable versions leaving devices susceptible to exploitation through the specified components.

Exploitation Mechanism

Threat actors can leverage the vulnerability by crafting specific inputs to /bin/httpd, setSchedWifi, causing a buffer overflow and potentially gaining unauthorized access.

Mitigation and Prevention

In this section, you will find essential steps to address the CVE-2022-40074 vulnerability to enhance security posture and safeguard systems.

Immediate Steps to Take

Immediately updating Tenda AC21 V 16.03.08.15 to a patched version, or applying recommended configurations to restrict access to vulnerable components can mitigate the risk.

Long-Term Security Practices

Employing robust cybersecurity practices such as regular security assessments, network segmentation, and access controls can enhance resilience against similar threats.

Patching and Updates

Regularly monitoring for security updates from the vendor and promptly applying patches to address known vulnerabilities is crucial to protecting systems from exploitation.