CVE-2023-40915 : What You Need to Know

Understanding CVE-2023-40915

A stack buffer overflow vulnerability was discovered in Tenda AX3 v16.03.12.11 at the function form_fast_setting_wifi_set, potentially leading to a Denial of Service (DoS) attack.

What is CVE-2023-40915?

CVE-2023-40915 is a stack buffer overflow vulnerability found in Tenda AX3 v16.03.12.11. This vulnerability can be exploited by attackers to trigger a Denial of Service (DoS) by manipulating the ssid parameter.

The Impact of CVE-2023-40915

The impact of this vulnerability is the potential for an attacker to disrupt the normal functioning of the affected device, leading to a denial of service condition for legitimate users.

Technical Details of CVE-2023-40915

The technical details of CVE-2023-40915 include:

Vulnerability Description

The vulnerability exists in the form_fast_setting_wifi_set function of Tenda AX3 v16.03.12.11 due to a stack buffer overflow issue.

Affected Systems and Versions

The vulnerability affects Tenda AX3 v16.03.12.11 without any specific mention of other affected vendors or products.

Exploitation Mechanism

Attackers can exploit this vulnerability by providing malicious input to the ssid parameter, triggering a stack buffer overflow and potentially causing a DoS.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-40915, consider the following steps:

Immediate Steps to Take

Disable remote access to vulnerable devices if not required.
Regularly monitor network traffic for any suspicious activity.

Long-Term Security Practices

Keep systems up to date with the latest security patches.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Check for vendor-supplied patches and updates for Tenda AX3 v16.03.12.11 to address the stack buffer overflow vulnerability.