CVE-2022-40861 Explained : Impact and Mitigation
Learn about CVE-2022-40861, a stack overflow vulnerability in Tenda AC18 router V15.03.05.19. Understand the impact, technical details, and mitigation steps.
A stack overflow vulnerability has been identified in the Tenda AC18 router V15.03.05.19, specifically in the formSetQosBand->FUN_0007db78 function with the request /goform/SetNetControlList/. This vulnerability is tracked under CVE-2022-40861.
Understanding CVE-2022-40861
This section provides insights into the nature and impact of the CVE-2022-40861 vulnerability.
What is CVE-2022-40861?
The CVE-2022-40861 vulnerability resides in the Tenda AC18 router V15.03.05.19 and involves a stack overflow weakness in the formSetQosBand->FUN_0007db78 function with the request /goform/SetNetControlList/.
The Impact of CVE-2022-40861
The vulnerability could allow threat actors to execute arbitrary code or cause a denial of service condition on the affected router, potentially compromising the device's security and functionality.
Technical Details of CVE-2022-40861
In this section, we delve into the technical aspects of the CVE-2022-40861 vulnerability.
Vulnerability Description
The stack overflow vulnerability in the formSetQosBand->FUN_0007db78 function of the Tenda AC18 router V15.03.05.19 could be exploited by attackers to trigger the execution of malicious code.
Affected Systems and Versions
The affected system is the Tenda AC18 router running version V15.03.05.19.
Exploitation Mechanism
Exploiting this vulnerability requires sending a crafted request to the /goform/SetNetControlList/ endpoint, potentially leading to unauthorized code execution.
Mitigation and Prevention
To protect systems from CVE-2022-40861, immediate actions and long-term security measures need to be implemented.
Immediate Steps to Take
Users should consider applying security patches released by the vendor or implementing mitigations to address the vulnerability promptly.
Long-Term Security Practices
Enforcing network segmentation, regularly updating firmware, and monitoring for anomalous network activities can enhance overall security posture.
Patching and Updates
Regularly check for updates from Tenda to ensure that the router is protected against known vulnerabilities.