CVE-2022-46533 : Security Advisory and Response

A buffer overflow vulnerability was discovered in Tenda F1203 V2.0.1.6 routers, allowing attackers to exploit the limitSpeed parameter in /goform/SetClientState.

Understanding CVE-2022-46533

This section will delve into the details of CVE-2022-46533, its impact, technical description, affected systems, exploitation mechanisms, and mitigation strategies.

What is CVE-2022-46533?

CVE-2022-46533 is a buffer overflow vulnerability found in Tenda F1203 V2.0.1.6 routers, specifically in the limitSpeed parameter within the /goform/SetClientState endpoint.

The Impact of CVE-2022-46533

This vulnerability could be exploited by remote attackers to execute arbitrary code or trigger a denial of service condition, compromising the security and availability of the affected devices.

Technical Details of CVE-2022-46533

Let's explore the specific technical aspects of CVE-2022-46533.

Vulnerability Description

The buffer overflow occurs due to improper input validation of the limitSpeed parameter, leading to a potential memory corruption issue.

Affected Systems and Versions

Tenda F1203 V2.0.1.6 routers are confirmed to be impacted by this vulnerability. Other versions or products may not be affected.

Exploitation Mechanism

Attackers can send maliciously crafted requests to the vulnerable endpoint, exploiting the buffer overflow to achieve their malicious objectives.

Mitigation and Prevention

Discover the steps to mitigate the risks posed by CVE-2022-46533.

Immediate Steps to Take

Users should apply security patches provided by Tenda or implement workarounds suggested by the vendor to mitigate the vulnerability.

Long-Term Security Practices

Regular security assessments, network segmentation, and strong access controls can enhance the overall security posture of network-connected devices.

Patching and Updates

Stay informed about security updates released by Tenda for the affected routers and ensure timely patching to address the CVE-2022-46533 vulnerability.