CVE-2022-40070 : What You Need to Know
Get detailed insights into CVE-2022-40070, a vulnerability in Tenda AC21 V 16.03.08.15 susceptible to Buffer Overflow attacks via bin/httpd, formSetFirewallCfg. Learn the impact, technical details, and mitigation steps.
This article provides detailed information about CVE-2022-40070, a vulnerability in Tenda AC21 V 16.03.08.15 that is vulnerable to Buffer Overflow via bin/httpd, function: formSetFirewallCfg.
Understanding CVE-2022-40070
CVE-2022-40070 is a security vulnerability in Tenda AC21 V 16.03.08.15 that allows for Buffer Overflow via the bin/httpd function, specifically in formSetFirewallCfg.
What is CVE-2022-40070?
The vulnerability CVE-2022-40070 affects the Tenda AC21 V 16.03.08.15 device, making it susceptible to Buffer Overflow attacks through the bin/httpd function formSetFirewallCfg.
The Impact of CVE-2022-40070
Exploitation of this vulnerability could allow threat actors to execute arbitrary code or trigger a denial of service on the affected device.
Technical Details of CVE-2022-40070
This section outlines the technical aspects of the CVE-2022-40070 vulnerability.
Vulnerability Description
The vulnerability arises in Tenda AC21 V 16.03.08.15 due to the lack of proper input validation in the bin/httpd function formSetFirewallCfg, leading to a Buffer Overflow condition.
Affected Systems and Versions
The vulnerability affects Tenda AC21 V 16.03.08.15 devices running the specific version mentioned.
Exploitation Mechanism
Threat actors can exploit this vulnerability by crafting malicious input to trigger the Buffer Overflow, potentially gaining unauthorized access or disrupting the device's normal functionality.
Mitigation and Prevention
To address CVE-2022-40070 and enhance security posture, follow the recommended mitigation and prevention measures.
Immediate Steps to Take
Users are advised to update the Tenda AC21 V 16.03.08.15 firmware to a patched version that addresses the Buffer Overflow vulnerability. Additionally, network segmentation and access controls can help limit exposure.
Long-Term Security Practices
Implement strong cybersecurity practices, such as regular security audits, training sessions for users, and staying informed about security vulnerabilities and patches.
Patching and Updates
Regularly check for firmware updates and security advisories from Tenda for the latest patches and fixes to protect against known vulnerabilities.