CVE-2023-37721 Explained : Impact and Mitigation
Discover the stack overflow vulnerability (CVE-2023-37721) affecting Tenda F1202 and FH1202 routers. Learn about the impact, technical details, and mitigation steps.
A stack overflow vulnerability has been discovered in Tenda F1202 V1.0BR_V1.2.0.20(408) and FH1202_V1.2.0.19_EN, affecting the page parameter in the function fromSafeMacFilter.
Understanding CVE-2023-37721
This section provides an overview of the CVE-2023-37721 vulnerability affecting Tenda F1202 and FH1202 routers.
What is CVE-2023-37721?
CVE-2023-37721 is a stack overflow vulnerability found in Tenda F1202 V1.0BR_V1.2.0.20(408) and FH1202_V1.2.0.19_EN routers. The flaw resides in the page parameter within the fromSafeMacFilter function.
The Impact of CVE-2023-37721
Exploitation of this vulnerability could allow remote attackers to execute arbitrary code or trigger a denial of service condition on the affected devices.
Technical Details of CVE-2023-37721
In this section, we delve into the technical aspects of the CVE-2023-37721 vulnerability.
Vulnerability Description
The stack overflow vulnerability in the page parameter of the fromSafeMacFilter function can be exploited by attackers to compromise the affected Tenda routers.
Affected Systems and Versions
Tenda F1202 V1.0BR_V1.2.0.20(408) and FH1202_V1.2.0.19_EN routers are confirmed to be impacted by this vulnerability.
Exploitation Mechanism
Remote attackers can exploit this vulnerability by sending specially crafted requests to the vulnerable routers, leading to potential code execution or denial of service.
Mitigation and Prevention
Here are the necessary steps to mitigate the CVE-2023-37721 vulnerability and enhance the security of Tenda F1202 and FH1202 routers.
Immediate Steps to Take
- Disable remote management access to the routers if not required.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update the firmware of Tenda routers to the latest versions.
- Implement strong access control policies and network segmentation.
Patching and Updates
Stay informed about security advisories from Tenda and apply patches promptly to address known vulnerabilities.