CVE-2023-52026 Explained : Impact and Mitigation

A detailed analysis of the remote command execution vulnerability found in TOTOlink EX1800T V9.1.0cu.2112_B20220316 via the telnet_enabled parameter.

Understanding CVE-2023-52026

This CVE-2023-52026 pertains to a remote command execution (RCE) vulnerability in TOTOlink EX1800T V9.1.0cu.2112_B20220316, identified through the telnet_enabled parameter of the setTelnetCfg interface.

What is CVE-2023-52026?

CVE-2023-52026 is a security vulnerability that allows remote attackers to execute arbitrary commands on the targeted system through the telnet_enabled parameter.

The Impact of CVE-2023-52026

The exploitation of this vulnerability could lead to unauthorized access, data theft, system compromise, and potential disruption of services on affected devices.

Technical Details of CVE-2023-52026

This section dives into the specifics of the vulnerability.

Vulnerability Description

The vulnerability exists in the TOTOlink EX1800T V9.1.0cu.2112_B20220316 firmware, enabling threat actors to perform RCE attacks by manipulating the telnet_enabled parameter in the setTelnetCfg interface.

Affected Systems and Versions

All versions of TOTOlink EX1800T V9.1.0cu.2112_B20220316 are impacted by this vulnerability.

Exploitation Mechanism

By exploiting the telnet_enabled parameter in the setTelnetCfg interface, attackers can inject and execute arbitrary commands remotely.

Mitigation and Prevention

Learn how to protect your systems from CVE-2023-52026.

Immediate Steps to Take

Disable telnet services on the affected devices to mitigate the risk of exploitation.
Implement network segmentation and access controls to restrict unauthorized access.

Long-Term Security Practices

Regularly update firmware and security patches provided by TOTOlink to prevent such vulnerabilities.
Conduct security assessments and penetration testing to identify and address any potential security gaps.

Patching and Updates

Stay informed about security advisories and updates from TOTOlink to apply patches promptly and ensure the security of your devices.