CVE-2021-20710 : What You Need to Know

A cross-site scripting vulnerability in Aterm WG2600HS firmware Ver1.5.1 and earlier allows remote attackers to inject arbitrary scripts. Learn about the impact, technical details, and mitigation steps for CVE-2021-20710.

Understanding CVE-2021-20710

This section will provide an overview of the CVE-2021-20710 vulnerability affecting Aterm WG2600HS firmware.

What is CVE-2021-20710?

CVE-2021-20710 is a cross-site scripting vulnerability present in Aterm WG2600HS firmware Ver1.5.1 and earlier. It enables remote attackers to inject malicious scripts through unspecified vectors.

The Impact of CVE-2021-20710

The vulnerability poses a significant security risk as it allows attackers to execute arbitrary scripts on affected devices, potentially leading to data theft or unauthorized access.

Technical Details of CVE-2021-20710

This section will dive into the technical aspects of the CVE-2021-20710 vulnerability, including its description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability in Aterm WG2600HS firmware Ver1.5.1 and earlier allows remote attackers to perform cross-site scripting attacks by injecting malicious scripts via unspecified vectors.

Affected Systems and Versions

The affected product is Aterm WG2600HS from NEC Corporation with firmware versions up to Ver1.5.1.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by injecting crafted scripts through various attack vectors, potentially compromising the device and user data.

Mitigation and Prevention

This section will cover the necessary steps to mitigate the CVE-2021-20710 vulnerability and prevent exploitation.

Immediate Steps to Take

Users are advised to update the firmware of Aterm WG2600HS to a secure version to patch the vulnerability and prevent further exploitation.

Long-Term Security Practices

Implementing robust security measures such as network firewalls, regular security audits, and user awareness training can enhance the overall security posture and mitigate future threats.

Patching and Updates

NEC Corporation should release security patches promptly to address the CVE-2021-20710 vulnerability and ensure the protection of users' devices and sensitive information.