CVE-2022-25448 : Security Advisory and Response

A stack overflow vulnerability was discovered in Tenda AC6 v15.03.05.09_multi via the day parameter in the openSchedWifi function.

Understanding CVE-2022-25448

This CVE identifies a specific vulnerability in the Tenda AC6 router model.

What is CVE-2022-25448?

CVE-2022-25448 highlights a stack overflow issue in Tenda AC6 v15.03.05.09_multi, triggered by the manipulation of the day parameter within the openSchedWifi function.

The Impact of CVE-2022-25448

Exploitation of this vulnerability could potentially lead to denial of service (DoS) attacks or arbitrary code execution on affected devices.

Technical Details of CVE-2022-25448

This section provides a deeper insight into the vulnerability.

Vulnerability Description

The vulnerability arises from a stack overflow caused by improper handling of input within the openSchedWifi function of Tenda AC6 v15.03.05.09_multi.

Affected Systems and Versions

The affected system is the Tenda AC6 router with version v15.03.05.09_multi.

Exploitation Mechanism

By exploiting the day parameter in the openSchedWifi function, threat actors can potentially execute arbitrary code or launch DoS attacks.

Mitigation and Prevention

To safeguard against CVE-2022-25448, it is crucial to implement the following measures.

Immediate Steps to Take

Disable remote access if not needed.
Apply vendor-supplied patches or updates promptly.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update router firmware to the latest version.
Implement strong and unique passwords for router access.
Conduct security assessments periodically.

Patching and Updates

Stay informed about security advisories from Tenda and apply patches and updates as soon as they are available.