CVE-2022-25427 : Vulnerability Insights and Analysis

Tenda AC9 v15.03.2.21 was found to have a stack overflow vulnerability through the schedendtime parameter in the openSchedWifi function.

Understanding CVE-2022-25427

This CVE involves a stack overflow vulnerability in Tenda AC9 v15.03.2.21, which can be exploited via the schedendtime parameter.

What is CVE-2022-25427?

The vulnerability in Tenda AC9 v15.03.2.21 allows attackers to trigger a stack overflow by manipulating the schedendtime parameter in the openSchedWifi function.

The Impact of CVE-2022-25427

This vulnerability could potentially allow remote attackers to execute arbitrary code or cause a denial of service on the affected device.

Technical Details of CVE-2022-25427

This section provides technical details regarding the vulnerability.

Vulnerability Description

The issue arises from improper handling of the schedendtime parameter, leading to a stack overflow condition.

Affected Systems and Versions

Tenda AC9 v15.03.2.21 is confirmed to be affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a specially crafted request containing a malicious schedendtime value.

Mitigation and Prevention

Protecting systems from CVE-2022-25427 is crucial to ensure security.

Immediate Steps to Take

Implement the vendor-supplied patches for Tenda AC9 v15.03.2.21 to mitigate the vulnerability.
Monitor network traffic for any suspicious activities that could indicate an exploit attempt.

Long-Term Security Practices

Regularly update the firmware of networking devices to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate potential weaknesses.

Patching and Updates

Stay informed about security advisories from Tenda and apply patches promptly to secure your devices.