CVE-2023-40900 : What You Need to Know
Learn about CVE-2023-40900, a stack overflow vulnerability in Tenda AC8 v4 US_AC8V4.0si_V16.03.34.06_cn router, allowing remote code execution. Find out the impact, affected systems, and mitigation steps.
A stack overflow vulnerability was discovered in Tenda AC8 v4 US_AC8V4.0si_V16.03.34.06_cn router allowing attackers to trigger the issue via a parameter list, potentially leading to remote code execution.
Understanding CVE-2023-40900
This section delves into the details of the vulnerability, its impact, technical aspects, and mitigation strategies.
What is CVE-2023-40900?
CVE-2023-40900 involves a stack overflow vulnerability in the Tenda AC8 router, specifically in the /goform/SetNetControlList endpoint, which could be exploited by malicious actors.
The Impact of CVE-2023-40900
The vulnerability could permit remote attackers to execute arbitrary code on the affected device, potentially compromising the confidentiality, integrity, and availability of the network.
Technical Details of CVE-2023-40900
Below are the technical details associated with CVE-2023-40900:
Vulnerability Description
The vulnerability is caused by a stack overflow when processing a parameter list, allowing an attacker to potentially execute malicious code remotely.
Affected Systems and Versions
The affected system identified is the Tenda AC8 v4 US_AC8V4.0si_V16.03.34.06_cn router.
Exploitation Mechanism
Remote attackers can exploit this vulnerability by sending a specially crafted parameter list to the /goform/SetNetControlList endpoint, triggering the stack overflow.
Mitigation and Prevention
Understanding the importance of timely patching and adopting proactive security measures is crucial to mitigate the risks associated with CVE-2023-40900.
Immediate Steps to Take
- Implement firewall rules to restrict access to vulnerable endpoints.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update firmware and software to patch known vulnerabilities.
- Conduct security assessments and penetration testing to identify weaknesses proactively.
Patching and Updates
Stay informed about security updates released by Tenda for the AC8 router and apply them promptly to safeguard against potential exploitation of CVE-2023-40900.