CVE-2021-45905 : What You Need to Know

OpenWrt 21.02.1 allows XSS via the Traffic Rules Name screen.

Understanding CVE-2021-45905

This CVE involves a Cross-Site Scripting (XSS) vulnerability in OpenWrt 21.02.1 that can be exploited via the Traffic Rules Name screen.

What is CVE-2021-45905?

CVE-2021-45905 is a security vulnerability in OpenWrt 21.02.1 that allows attackers to execute malicious scripts through the Traffic Rules Name screen, posing a risk of unauthorized access and data manipulation.

The Impact of CVE-2021-45905

Exploitation of this vulnerability can lead to Cross-Site Scripting attacks, enabling threat actors to inject and execute arbitrary code within the context of the target application, potentially compromising user data and system integrity.

Technical Details of CVE-2021-45905

This section provides detailed technical information regarding the vulnerability and its implications.

Vulnerability Description

The vulnerability in OpenWrt 21.02.1 allows for XSS attacks via the Traffic Rules Name screen, enabling malicious script injection.

Affected Systems and Versions

Vendor: OpenWrt
Product: Version 21.02.1

Exploitation Mechanism

The vulnerability can be exploited by attackers injecting malicious scripts through the Traffic Rules Name screen, potentially leading to unauthorized code execution in the target system.

Mitigation and Prevention

Mitigation strategies and best practices to address CVE-2021-45905.

Immediate Steps to Take

Update OpenWrt to the latest version to patch the XSS vulnerability.
Implement proper input validation mechanisms to prevent script injection attacks.

Long-Term Security Practices

Regularly monitor and audit network traffic for any suspicious activities.
Educate users on safe browsing practices to mitigate the risk of XSS attacks.

Patching and Updates

Stay informed about security updates and patches released by OpenWrt.
Apply updates promptly to ensure the protection of systems and data.