CVE-2022-40853 : Security Advisory and Response

A stack overflow vulnerability has been identified in Tenda AC15 router V15.03.05.19, specifically via the list parameter at /goform/fast_setting_wifi_set.

Understanding CVE-2022-40853

This CVE identifier refers to a critical security issue in the Tenda AC15 router.

What is CVE-2022-40853?

CVE-2022-40853 is a stack overflow vulnerability found in Tenda AC15 router V15.03.05.19. Attackers can exploit this flaw through the list parameter at /goform/fast_setting_wifi_set.

The Impact of CVE-2022-40853

This vulnerability could allow remote attackers to execute arbitrary code or cause a denial of service (DoS) condition on affected routers, posing a significant security risk.

Technical Details of CVE-2022-40853

The technical details of CVE-2022-40853 include:

Vulnerability Description

The vulnerability arises due to a stack overflow issue triggered by malicious input through the list parameter in the specified router model and version.

Affected Systems and Versions

Tenda AC15 router V15.03.05.19 is confirmed to be affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by submitting crafted input to the list parameter at /goform/fast_setting_wifi_set, potentially leading to unauthorized code execution or service disruption.

Mitigation and Prevention

To address CVE-2022-40853, consider the following mitigation steps:

Immediate Steps to Take

Disable remote access if not required
Monitor network traffic for any suspicious activity

Long-Term Security Practices

Regularly update the router firmware and security patches
Implement strong access controls and firewall rules

Patching and Updates

Check the vendor's official website for security updates and patches to fix the identified vulnerability.