CVE-2022-46551 Explained : Impact and Mitigation

This article provides details about CVE-2022-46551, a vulnerability found in Tenda F1203 V2.0.1.6 router firmware. The vulnerability involves a buffer overflow in the time parameter at /goform/saveParentControlInfo.

Understanding CVE-2022-46551

CVE-2022-46551 is a security flaw identified in Tenda F1203 V2.0.1.6 router firmware, allowing attackers to trigger a buffer overflow via the time parameter in the saveParentControlInfo function.

What is CVE-2022-46551?

The CVE-2022-46551 vulnerability enables threat actors to exploit the time parameter within the router's software, potentially leading to unauthorized access and control over the device.

The Impact of CVE-2022-46551

Exploitation of this vulnerability could result in remote code execution, denial of service, or other malicious activities, jeopardizing the security and integrity of the affected Tenda F1203 V2.0.1.6 routers.

Technical Details of CVE-2022-46551

The following section outlines the technical aspects of CVE-2022-46551 to provide a comprehensive understanding of the issue.

Vulnerability Description

The buffer overflow vulnerability in the time parameter of /goform/saveParentControlInfo in Tenda F1203 V2.0.1.6 firmware can be exploited by attackers to execute arbitrary code or disrupt normal device operations.

Affected Systems and Versions

All Tenda F1203 V2.0.1.6 routers utilizing the specified firmware version are susceptible to this security flaw, putting them at risk of exploitation.

Exploitation Mechanism

Malicious actors can leverage the buffer overflow in the time parameter to craft and send specially-crafted requests that overrun the allocated memory space, leading to potential compromise of the router.

Mitigation and Prevention

To safeguard devices from CVE-2022-46551 and similar vulnerabilities, it is crucial for users and administrators to adopt appropriate security measures and implement timely updates and patches.

Immediate Steps to Take

Users should apply security patches released by the vendor promptly, restrict network access to the affected devices, and monitor for any suspicious activity that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Implementing network segmentation, using strong passwords, keeping software up to date, and regularly monitoring and auditing network traffic can enhance overall cybersecurity posture and mitigate risks.

Patching and Updates

Regularly check for firmware updates and security advisories from Tenda, and apply patches as soon as they are available to address CVE-2022-46551 and enhance the security of the affected routers.