CVE-2022-36233 : Security Advisory and Response

Tenda AC9 V15.03.2.13 is vulnerable to Buffer Overflow via httpd, specifically through the form_fast_setting_wifi_set function.

Understanding CVE-2022-36233

This CVE involves Buffer Overflow vulnerability in Tenda AC9 V15.03.2.13.

What is CVE-2022-36233?

CVE-2022-36233 highlights a Buffer Overflow vulnerability in Tenda AC9 V15.03.2.13, triggered by the httpd function form_fast_setting_wifi_set.

The Impact of CVE-2022-36233

This vulnerability could be exploited by attackers to execute arbitrary code or crash the httpd service, potentially leading to a denial of service (DoS) condition.

Technical Details of CVE-2022-36233

This section delves into the specific technical aspects of CVE-2022-36233.

Vulnerability Description

The vulnerability is due to inadequate input validation in the form_fast_setting_wifi_set function of Tenda AC9 V15.03.2.13, allowing an attacker to trigger a buffer overflow.

Affected Systems and Versions

The affected system is Tenda AC9 V15.03.2.13. No specific vendor or product information is provided.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending crafted HTTP requests to the affected httpd service, taking advantage of the buffer overflow in the form_fast_setting_wifi_set function.

Mitigation and Prevention

Protecting against CVE-2022-36233 requires immediate action and long-term security measures.

Immediate Steps to Take

Monitor vendor updates and security advisories for patches related to Tenda AC9 V15.03.2.13.
Implement network-level controls to restrict access to the httpd service from untrusted sources.

Long-Term Security Practices

Regularly update and patch all network-connected devices to prevent potential vulnerabilities.

Patching and Updates

Apply vendor-supplied patches promptly to address the buffer overflow vulnerability in Tenda AC9 V15.03.2.13.