CVE-2023-37565 : What You Need to Know

A code injection vulnerability in ELECOM wireless LAN routers has been identified, allowing a network-adjacent authenticated attacker to execute arbitrary code by sending a specially crafted request. This article will provide detailed insights into CVE-2023-37565.

Understanding CVE-2023-37565

This section will cover what CVE-2023-37565 is and its impact, along with technical details and mitigation strategies.

What is CVE-2023-37565?

CVE-2023-37565 refers to a code injection vulnerability present in ELECOM wireless LAN routers. An attacker with network access can exploit this flaw to execute malicious code by sending a specially crafted request.

The Impact of CVE-2023-37565

The vulnerability poses a significant risk as it allows an authenticated attacker within the network to run arbitrary code on affected devices. This could lead to unauthorized access, data theft, or further network compromise.

Technical Details of CVE-2023-37565

This section will delve into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The flaw in ELECOM wireless LAN routers permits an attacker to inject and execute arbitrary code via a crafted request, potentially resulting in complete system compromise.

Affected Systems and Versions

The following ELECOM router models and versions are impacted by CVE-2023-37565:

WRC-1167GHBK-S v1.03 and earlier
WRC-1167GEBK-S v1.03 and earlier
WRC-1167FEBK-S v1.04 and earlier
WRC-1167GHBK3-A v1.24 and earlier
WRC-1167FEBK-A v1.18 and earlier

Exploitation Mechanism

To exploit this vulnerability, an authenticated attacker needs to be within the network vicinity and send a specifically crafted request to the affected ELECOM routers, triggering the execution of malicious code.

Mitigation and Prevention

In this section, we will discuss immediate steps to take, long-term security practices, and the importance of applying patches and updates.

Immediate Steps to Take

It is crucial to restrict network access to authorized personnel only, monitor network traffic for any suspicious activity, and apply vendor-supplied patches promptly.

Long-Term Security Practices

Implementing strong network segmentation, regularly updating router firmware, conducting security audits, and educating users on secure practices are essential for long-term security resilience.

Patching and Updates

ELECOM CO., LTD. may release patches or firmware updates to address CVE-2023-37565. Ensure timely implementation of these updates to mitigate the risk of exploitation.