CVE-2020-5634 : Exploit Details and Defense Strategies

ELECOM LAN routers (WRC-2533GST2 firmware versions prior to v1.14, WRC-1900GST2 firmware versions prior to v1.14, WRC-1750GST2 firmware versions prior to v1.14, and WRC-1167GST2 firmware versions prior to v1.10) allow an attacker on the same network segment to execute arbitrary OS commands with root privilege via unspecified vectors.

Understanding CVE-2020-5634

This CVE involves OS Command Injection vulnerability in ELECOM LAN routers.

What is CVE-2020-5634?

CVE-2020-5634 is a security vulnerability in ELECOM LAN routers that enables an attacker within the same network segment to run unauthorized OS commands with root privileges through unspecified methods.

The Impact of CVE-2020-5634

The vulnerability allows malicious actors to execute arbitrary commands on affected routers, potentially leading to unauthorized access, data theft, or further network compromise.

Technical Details of CVE-2020-5634

This section provides in-depth technical insights into the CVE.

Vulnerability Description

ELECOM LAN routers are susceptible to OS Command Injection, enabling attackers to execute unauthorized commands with elevated privileges.

Affected Systems and Versions

Product: ELECOM LAN routers
Vendor: ELECOM CO.,LTD.
Vulnerable Versions: WRC-2533GST2 firmware versions prior to v1.14, WRC-1900GST2 firmware versions prior to v1.14, WRC-1750GST2 firmware versions prior to v1.14, and WRC-1167GST2 firmware versions prior to v1.10

Exploitation Mechanism

The vulnerability allows attackers on the same network segment to exploit unspecified vectors to gain root access and execute arbitrary OS commands.

Mitigation and Prevention

Protecting systems from CVE-2020-5634 is crucial to prevent unauthorized access and potential network compromise.

Immediate Steps to Take

Update affected routers to the latest firmware versions that contain security patches.
Implement network segmentation to restrict access and minimize the impact of potential attacks.
Monitor network traffic for any suspicious activities that could indicate exploitation attempts.

Long-Term Security Practices

Regularly update and patch all network devices to address known vulnerabilities promptly.
Conduct security audits and assessments to identify and mitigate potential security risks.
Educate network users on best practices for cybersecurity to enhance overall awareness and preparedness.

Patching and Updates

Stay informed about security advisories and updates released by ELECOM CO.,LTD. for the affected router models.
Apply patches and firmware updates as soon as they are available to mitigate the risk of exploitation.