CVE-2022-28580 : What You Need to Know

A command injection vulnerability has been discovered in the setL2tpServerCfg interface in TOTOlink A7100RU (v7.4cu.2313_b20191024) router, posing a risk of arbitrary command execution through a specifically crafted payload.

Understanding CVE-2022-28580

This section provides insights into the nature and impact of the CVE-2022-28580 vulnerability.

What is CVE-2022-28580?

The CVE-2022-28580 vulnerability involves a command injection flaw in the TOTOlink A7100RU router, enabling threat actors to run arbitrary commands using a tailored payload.

The Impact of CVE-2022-28580

The exploitation of this vulnerability can result in unauthorized remote access to the affected device, leading to malicious command execution and potential compromise of the network.

Technical Details of CVE-2022-28580

Here, the specific technical aspects of CVE-2022-28580 are outlined, including the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in the setL2tpServerCfg interface allows attackers to execute commands remotely on the TOTOlink A7100RU router by injecting malicious commands via a crafted payload.

Affected Systems and Versions

The affected system identified is the TOTOlink A7100RU router with version v7.4cu.2313_b20191024.

Exploitation Mechanism

Threat actors can exploit CVE-2022-28580 by sending specifically designed payloads to the setL2tpServerCfg interface, tricking the system into executing unauthorized commands.

Mitigation and Prevention

In this section, crucial steps to mitigate the risks associated with CVE-2022-28580 are discussed, including immediate actions and long-term security practices.

Immediate Steps to Take

To address this vulnerability, users should promptly apply security patches released by the vendor and implement firewall rules to restrict access to vulnerable services.

Long-Term Security Practices

Maintaining updated firmware, conducting regular security audits, and enforcing the principle of least privilege are essential for enhancing the long-term security posture.

Patching and Updates

Regularly monitor vendor updates and security advisories to ensure timely application of patches that address CVE-2022-28580.