Discover the stack overflow vulnerability (CVE-2023-37716) impacting Tenda F1202, AC10, AC1206, AC7, AC5, and AC9 routers. Learn about the impact, affected systems, and mitigation steps.
A stack overflow vulnerability was found in multiple Tenda router models, potentially allowing attackers to execute arbitrary code or crash the affected service.
Understanding CVE-2023-37716
This section delves into the details of the vulnerability and its potential impact.
What is CVE-2023-37716?
The CVE-2023-37716 vulnerability affects Tenda F1202, AC10, AC1206, AC7, AC5, and AC9 routers due to a stack overflow in a specific function, potentially leading to code execution or service disruption.
The Impact of CVE-2023-37716
If exploited, this vulnerability could allow a malicious actor to remotely execute arbitrary code on the affected router or cause a denial of service by crashing the service.
Technical Details of CVE-2023-37716
This section outlines the technical aspects of the vulnerability.
Vulnerability Description
The stack overflow occurs in the 'page' parameter within the function fromNatStaticSetting, present in the specified Tenda router models, enabling attackers to manipulate the stack and potentially execute malicious code.
Affected Systems and Versions
Tenda router models F1202 V1.0BR_V1.2.0.20(408), FH1202_V1.2.0.19_EN, AC10 V1.0, AC1206 V1.0, AC7 V1.0, AC5 V1.0, and AC9 V3.0 are confirmed to be affected by this vulnerability.
Exploitation Mechanism
To exploit this vulnerability, an attacker can send specially crafted requests to the 'page' parameter, triggering the stack overflow and gaining control over the router's execution flow.
Mitigation and Prevention
Learn how to protect your systems from this security flaw.
Immediate Steps to Take
Users are advised to update their Tenda routers to the latest firmware version provided by the manufacturer to patch the vulnerability.
Long-Term Security Practices
Implement network segmentation, regularly update router firmware, and monitor for any unusual network activity to enhance the security posture of your network.
Patching and Updates
Stay informed about security updates released by Tenda for your router model and apply patches promptly to safeguard against potential exploits.