A new vulnerability, CVE-2024-25579, has been discovered that affects multiple ELECOM wireless LAN routers. This vulnerability could allow a network-adjacent attacker with administrative privileges to execute arbitrary OS commands on the router. In this post, we will cover the details of the exploit, products affected, and some possible mitigations to help keep your network secure.

The following ELECOM wireless LAN router models and versions are affected by this vulnerability

* WRC-1167GS2-B v1.67 and earlier
* WRC-1167GS2H-B v1.67 and earlier
* WRC-2533GS2-B v1.62 and earlier
* WRC-2533GS2-W v1.62 and earlier
* WRC-2533GS2V-B v1.62 and earlier
* WRC-X320GST3-B v1.25 and earlier
* WRC-G01-W v1.24 and earlier

Check the firmware version of your wireless router to determine if it's vulnerable. If you are using any of the affected versions, it is recommended to update your firmware as soon as possible.

Exploit Details

The vulnerability exists due to insufficient input processing in the router's web interface. This allows a remote attacker to send a specially crafted request to the product containing arbitrary OS commands. By leveraging this vulnerability, an attacker with administrative privileges may execute OS commands on the affected router without any further authentication. This could potentially lead to compromise of the entire network or unauthorized access to sensitive information.

Here is an example of a code snippet demonstrating the OS command injection

import requests

url = "http://<target-ip>/path/to/vulnerable/script";
data = {
    "parameter": "value; injected_os_command"
}

response = requests.post(url, data=data, auth=("admin", "password"))

This code snippet shows how an attacker could send a request that includes injected OS commands (injected_os_command) in one of the parameters (parameter). The target IP should be replaced with the appropriate IP address of the affected router.

This vulnerability was found and reported by the following sources

* CVE-2024-25579: OS Command Injection in ELECOM Routers
* ELECOM Vulnerability Report

It is vital to review these sources and stay updated with the latest information about this vulnerability.

Mitigation Steps

The best course of action is to update your ELECOM wireless LAN router's firmware as soon as a patch is released. While waiting for a patch, you can minimize the risk of exploitation by implementing these steps:

Disable remote management if it is not required.

By diligently applying these steps, you can help reduce the risk of attackers exploiting this vulnerability on your network.

Conclusion

CVE-2024-25579 is a critical OS command injection vulnerability that affects multiple ELECOM wireless LAN routers. It is essential to understand the risk and take appropriate action to protect your network. Make sure to update your router firmware as soon as a patch is available and take additional steps to minimize the risk of exploitation. Stay vigilant and informed to keep your network secure from potential attacks.

Timeline

Published on: 02/28/2024 23:15:09 UTC
Last modified on: 04/04/2024 01:15:50 UTC