CVE-2023-37566 Explained : Impact and Mitigation

ELECOM and LOGITEC wireless LAN routers are impacted by a command injection vulnerability, allowing an authenticated attacker to execute arbitrary commands via specially crafted requests.

Understanding CVE-2023-37566

This CVE affects several ELECOM and LOGITEC router models, exposing them to command injection attacks through the web management page.

What is CVE-2023-37566?

The vulnerability enables a network-adjacent authenticated attacker to run arbitrary commands on impacted devices by exploiting the flaw in the routers' web interface.

The Impact of CVE-2023-37566

The impact of this vulnerability is significant as it allows attackers to execute malicious commands within the context of the router, potentially leading to unauthorized access or control over the device.

Technical Details of CVE-2023-37566

This section elaborates on the specific details related to the vulnerability.

Vulnerability Description

The vulnerability arises from improper input validation in the affected ELECOM and LOGITEC routers, enabling attackers to inject and execute arbitrary commands.

Affected Systems and Versions

Impacted products include ELECOM WRC-1167GHBK3-A v1.24 and earlier, WRC-1167FEBK-A v1.18 and earlier, WRC-F1167ACF2 all versions, WRC-600GHBK-A all versions, WRC-733FEBK2-A all versions, WRC-1467GHBK-A all versions, WRC-1900GHBK-A all versions, and LOGITEC LAN-W301NR all versions.

Exploitation Mechanism

Attackers exploit the vulnerability by sending specially crafted requests to the web management page of the affected routers, leveraging the command injection flaw to execute unauthorized commands.

Mitigation and Prevention

Protecting your systems from CVE-2023-37566 requires immediate action and long-term security measures.

Immediate Steps to Take

Update routers to patched firmware versions provided by the vendors.
Restrict access to the web management interface to authorized users only.

Long-Term Security Practices

Regularly monitor vendor updates and security advisories for any new vulnerabilities.
Implement network segmentation to contain the impact of potential security breaches.

Patching and Updates

Ensure timely implementation of security patches released by ELECOM and LOGITEC to address the command injection vulnerability.