Learn about CVE-2023-41562, a stack overflow vulnerability in Tenda AC7, AC9, and AC5 routers via specific URL parameters, its impact, and mitigation steps.
A stack overflow vulnerability has been identified in Tenda AC7 V1.0 V15.03.06.44, Tenda AC9 V3.0 V15.03.06.42_multi, and Tenda AC5 US_AC5V1.0RTL_V15.03.06.28 through a specific URL parameter, potentially leading to security breaches.
Understanding CVE-2023-41562
This section delves into the details of the stack overflow vulnerability affecting certain Tenda router models.
What is CVE-2023-41562?
The CVE-2023-41562 vulnerability allows attackers to trigger a stack overflow by manipulating the 'time' parameter in the URL /goform/PowerSaveSet.
The Impact of CVE-2023-41562
Exploitation of this vulnerability could result in unauthorized access, denial of service, or the execution of arbitrary code on the affected Tenda routers.
Technical Details of CVE-2023-41562
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The vulnerability arises due to insufficient input validation of the 'time' parameter, leading to a stack overflow condition, which may be exploited by attackers.
Affected Systems and Versions
Tenda AC7 V1.0 V15.03.06.44, Tenda AC9 V3.0 V15.03.06.42_multi, and Tenda AC5 US_AC5V1.0RTL_V15.03.06.28 are confirmed to be affected by CVE-2023-41562.
Exploitation Mechanism
Attackers can exploit the vulnerability by sending specially crafted requests with malicious input to the vulnerable parameter, causing the stack overflow.
Mitigation and Prevention
This section outlines steps to mitigate the risk posed by CVE-2023-41562.
Immediate Steps to Take
Users are advised to update their Tenda router firmware to the latest version provided by the manufacturer and avoid visiting untrusted websites.
Long-Term Security Practices
To enhance overall security, users should regularly update their router firmware, enable firewalls, implement strong passwords, and monitor network activity.
Patching and Updates
Stay informed about security updates released by Tenda for your router model and apply patches promptly to safeguard against potential vulnerabilities.