CVE-2022-26278 : Security Advisory and Response

This article provides an overview of CVE-2022-26278, a vulnerability found in Tenda AC9 v15.03.2.21_cn that could allow a stack overflow via a specific parameter in a particular function.

Understanding CVE-2022-26278

In this section, we will delve into the details of the CVE-2022-26278 vulnerability.

What is CVE-2022-26278?

CVE-2022-26278 highlights a stack overflow issue in Tenda AC9 v15.03.2.21_cn due to how the time parameter is handled within the PowerSaveSet function.

The Impact of CVE-2022-26278

This vulnerability could potentially be exploited by attackers to execute arbitrary code or disrupt the normal operation of the affected system.

Technical Details of CVE-2022-26278

Let's explore the technical aspects of CVE-2022-26278 in more detail.

Vulnerability Description

The vulnerability stems from a stack overflow triggered by the time parameter in the PowerSaveSet function of Tenda AC9 v15.03.2.21_cn.

Affected Systems and Versions

Tenda AC9 v15.03.2.21_cn is confirmed to be impacted by this vulnerability, highlighting the importance of timely mitigation measures.

Exploitation Mechanism

Attackers could potentially exploit this flaw by manipulating the time parameter to trigger the stack overflow and gain unauthorized access or disrupt services.

Mitigation and Prevention

To address CVE-2022-26278, it is crucial to implement appropriate mitigation strategies and preventive measures.

Immediate Steps to Take

Users are advised to update the firmware of Tenda AC9 v15.03.2.21_cn to a secure version that addresses the stack overflow vulnerability.

Long-Term Security Practices

In the long term, organizations should prioritize regular security assessments, patch management, and proactive monitoring to prevent similar vulnerabilities from being exploited.

Patching and Updates

Regularly monitor security advisories from Tenda and apply patches promptly to mitigate the risk of potential exploits targeting CVE-2022-26278.