CVE-2022-44362 : Vulnerability Insights and Analysis

A buffer overflow vulnerability has been identified in Tenda i21 V1.0.0.14(4656) through the /goform/AddSysLogRule endpoint.

Understanding CVE-2022-44362

This article delves into the details of CVE-2022-44362, shedding light on its impact, technical description, affected systems, exploitation mechanism, and mitigation strategies.

What is CVE-2022-44362?

The vulnerability CVE-2022-44362 exists in Tenda i21 V1.0.0.14(4656) due to a buffer overflow in the /goform/AddSysLogRule functionality, enabling attackers to execute arbitrary code or crash the service.

The Impact of CVE-2022-44362

With this vulnerability, threat actors can launch remote attacks on the affected device, potentially leading to a denial of service (DoS) condition, unauthorized access, or full system compromise.

Technical Details of CVE-2022-44362

This section provides a deeper insight into the technical aspects of CVE-2022-44362, including vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The buffer overflow vulnerability in Tenda i21 V1.0.0.14(4656) allows attackers to overwrite the memory, leading to potential code execution or system crashes.

Affected Systems and Versions

The vulnerability impacts Tenda i21 V1.0.0.14(4656) with the specific firmware version, exposing devices running this software to exploitation.

Exploitation Mechanism

By sending specially crafted payloads to the /goform/AddSysLogRule endpoint, threat actors can trigger the buffer overflow, gaining control over the target system.

Mitigation and Prevention

In light of CVE-2022-44362, it is crucial to implement immediate and long-term security measures to protect systems from exploitation.

Immediate Steps to Take

Disable remote access to vulnerable devices if not required.
Monitor network traffic for any suspicious activities targeting the affected endpoint.

Long-Term Security Practices

Regularly update firmware to the latest version provided by Tenda to patch the vulnerability and enhance security.
Conduct regular security assessments and penetration testing to identify and address any potential weaknesses.

Patching and Updates

Ensure timely application of security patches and firmware updates released by Tenda to mitigate the risk posed by CVE-2022-44362.