CVE-2020-5534 : Exploit Details and Defense Strategies

Aterm WG2600HS firmware Ver1.3.2 and earlier allows an authenticated attacker to execute arbitrary OS commands with root privileges.

Understanding CVE-2020-5534

This CVE involves an OS Command Injection vulnerability in the Aterm WG2600HS firmware.

What is CVE-2020-5534?

CVE-2020-5534 is a security vulnerability in the Aterm WG2600HS firmware that enables an authenticated attacker on the same network segment to execute arbitrary OS commands with root privileges through unspecified vectors.

The Impact of CVE-2020-5534

The vulnerability allows attackers to gain unauthorized access and potentially take control of affected devices, leading to severe security breaches and compromise of sensitive data.

Technical Details of CVE-2020-5534

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The Aterm WG2600HS firmware Ver1.3.2 and earlier is susceptible to OS Command Injection, allowing attackers to run malicious commands with elevated privileges.

Affected Systems and Versions

Affected Product: Aterm WG2600HS
Vendor: NEC Corporation
Vulnerable Versions: firmware Ver1.3.2 and earlier

Exploitation Mechanism

The vulnerability can be exploited by an authenticated attacker within the same network segment, leveraging unspecified vectors to execute malicious OS commands.

Mitigation and Prevention

Protecting systems from CVE-2020-5534 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply security patches provided by NEC Corporation promptly.
Restrict network access to the affected device.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update firmware and software to the latest versions.
Implement network segmentation to limit the impact of potential attacks.
Conduct security audits and penetration testing to identify and address vulnerabilities.

Patching and Updates

Ensure all devices are running the latest firmware version released by NEC Corporation.
Stay informed about security advisories and updates from the vendor to mitigate future risks.