CVE-2018-20373 : Security Advisory and Response

Tenda ADSL modem routers version 1.0.1 have a vulnerability that allows for an XSS attack through the hostname of a DHCP client.

Understanding CVE-2018-20373

This CVE involves a security issue in Tenda ADSL modem routers version 1.0.1 that can be exploited through a cross-site scripting (XSS) attack.

What is CVE-2018-20373?

CVE-2018-20373 is a vulnerability found in Tenda ADSL modem routers version 1.0.1, enabling attackers to execute XSS attacks via the hostname of a DHCP client.

The Impact of CVE-2018-20373

The vulnerability in CVE-2018-20373 can lead to unauthorized access, data theft, and potential compromise of the affected systems.

Technical Details of CVE-2018-20373

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability in Tenda ADSL modem routers version 1.0.1 allows for XSS attacks through the DHCP client's hostname, posing a security risk.

Affected Systems and Versions

Product: Tenda ADSL modem routers
Version: 1.0.1

Exploitation Mechanism

The vulnerability can be exploited by injecting malicious scripts into the hostname field of a DHCP client, which, when executed, can compromise the system.

Mitigation and Prevention

Protecting systems from CVE-2018-20373 requires immediate actions and long-term security measures.

Immediate Steps to Take

Disable remote access to the router configuration interface if not required.
Regularly monitor network traffic for any suspicious activities.
Implement strong password policies for router access.

Long-Term Security Practices

Keep router firmware up to date with the latest security patches.
Conduct regular security audits and vulnerability assessments on the network infrastructure.

Patching and Updates

Check for firmware updates from Tenda and apply patches promptly to address the vulnerability.