CVE-2022-46543 : Security Advisory and Response

Tenda F1203 V2.0.1.6 was discovered to contain a buffer overflow via the mitInterface parameter at /goform/addressNat.

Understanding CVE-2022-46543

This CVE refers to a buffer overflow vulnerability found in Tenda F1203 V2.0.1.6 that can be exploited through the mitInterface parameter.

What is CVE-2022-46543?

CVE-2022-46543 is a security flaw in Tenda F1203 V2.0.1.6 that allows attackers to trigger a buffer overflow by manipulating the mitInterface parameter.

The Impact of CVE-2022-46543

This vulnerability could lead to remote code execution, allowing malicious actors to compromise the affected system and potentially carry out further attacks.

Technical Details of CVE-2022-46543

The technical details of CVE-2022-46543 include:

Vulnerability Description

The buffer overflow vulnerability in Tenda F1203 V2.0.1.6 occurs due to improper handling of user-supplied input, specifically in the mitInterface parameter.

Affected Systems and Versions

Tenda F1203 V2.0.1.6 is confirmed to be affected by this vulnerability, potentially putting systems running this version at risk.

Exploitation Mechanism

Exploitation of this vulnerability involves sending specially crafted input via the mitInterface parameter to trigger the buffer overflow.

Mitigation and Prevention

To address CVE-2022-46543, consider the following mitigation steps:

Immediate Steps to Take

Disable remote access if not required.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities.
Implement network segmentation to limit the impact of successful attacks.

Patching and Updates

Check for patches or updates from Tenda to address the buffer overflow vulnerability and apply them promptly to secure your system.