CVE-2020-5637 : Vulnerability Insights and Analysis

A vulnerability in Aterm SA3500G firmware versions prior to Ver. 3.5.9 allows attackers with administrative privileges to execute malicious programs.

Understanding CVE-2020-5637

This CVE involves improper validation of integrity check value in the Aterm SA3500G firmware.

What is CVE-2020-5637?

The vulnerability in Aterm SA3500G firmware versions prior to Ver. 3.5.9 enables attackers with administrative privileges to run malicious programs.

The Impact of CVE-2020-5637

Attackers can exploit this vulnerability to execute unauthorized code on affected devices, potentially leading to further compromise or data theft.

Technical Details of CVE-2020-5637

This section provides technical details of the CVE.

Vulnerability Description

The vulnerability arises from improper validation of integrity check values in Aterm SA3500G firmware versions prior to Ver. 3.5.9.

Affected Systems and Versions

Product: Aterm SA3500G
Vendor: NEC Corporation
Versions Affected: Firmware versions prior to Ver. 3.5.9

Exploitation Mechanism

Attackers with administrative privileges can exploit this vulnerability to execute malicious programs on the affected devices.

Mitigation and Prevention

Protect your systems from CVE-2020-5637 with the following steps:

Immediate Steps to Take

Update Aterm SA3500G firmware to Ver. 3.5.9 or later.
Restrict administrative privileges to reduce the attack surface.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.
Educate users on cybersecurity best practices to prevent social engineering attacks.

Patching and Updates

Stay informed about security advisories from NEC Corporation.
Apply patches and updates promptly to ensure the latest security measures are in place.