CVE-2021-46108 : Security Advisory and Response

D-Link DSL-2730E CT-20131125 devices are affected by a cross-site scripting (XSS) vulnerability through the username parameter.

Understanding CVE-2021-46108

What is CVE-2021-46108?

The CVE-2021-46108 vulnerability allows XSS via the username parameter to the password page in the maintenance configuration of D-Link DSL-2730E CT-20131125 devices.

The Impact of CVE-2021-46108

This vulnerability can be exploited by attackers to execute malicious scripts in the context of a user's browser, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2021-46108

Vulnerability Description

The XSS vulnerability in D-Link DSL-2730E CT-20131125 devices occurs through the username parameter, opening the door for attackers to inject and execute script code.

Affected Systems and Versions

Affected Systems: D-Link DSL-2730E CT-20131125 devices
Affected Versions: All versions are impacted

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting specially crafted scripts into the username parameter on the password page, triggering the execution of malicious code.

Mitigation and Prevention

Immediate Steps to Take

Immediately update the firmware or apply patches provided by D-Link to address the vulnerability
Implement strong input validation mechanisms to prevent arbitrary script injection

Long-Term Security Practices

Regularly monitor security bulletins and updates from D-Link for any new vulnerabilities
Educate users on safe browsing practices and awareness of potential phishing attempts

Patching and Updates

It is crucial to apply the latest firmware updates or patches released by D-Link to mitigate the XSS vulnerability and enhance the overall security of the devices.