CVE-2018-18636 Explained : Impact and Mitigation

A Cross-Site Scripting (XSS) vulnerability exists in the cgi-bin/webcm of D-link DSL-2640T routers through the var:RelaodHref or var:conid parameter.

Understanding CVE-2018-18636

This CVE identifies a specific XSS vulnerability in D-link DSL-2640T routers.

What is CVE-2018-18636?

The CVE-2018-18636 vulnerability is a type of XSS flaw found in the cgi-bin/webcm of D-link DSL-2640T routers, triggered by the var:RelaodHref or var:conid parameter.

The Impact of CVE-2018-18636

This vulnerability could allow 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-2018-18636

This section provides more in-depth technical information about the vulnerability.

Vulnerability Description

The XSS vulnerability in cgi-bin/webcm on D-link DSL-2640T routers is exploited through the var:RelaodHref or var:conid parameter.

Affected Systems and Versions

Affected Product: D-link DSL-2640T routers
Affected Version: Not specified

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts via the var:RelaodHref or var:conid parameter in the router's web interface.

Mitigation and Prevention

Protecting systems from CVE-2018-18636 requires immediate actions and long-term security measures.

Immediate Steps to Take

Disable remote access to the router's web interface if not needed.
Regularly monitor and update router firmware to patch known vulnerabilities.

Long-Term Security Practices

Implement network segmentation to limit the impact of potential attacks.
Educate users on safe browsing practices and the risks of XSS vulnerabilities.
Employ web application firewalls to filter and block malicious traffic.

Patching and Updates

Ensure timely installation of firmware updates provided by D-link to address and mitigate the XSS vulnerability.