CVE-2017-11646 Explained : Impact and Mitigation

NetComm Wireless 4GT101W routers with specific hardware and software versions are vulnerable to CSRF attacks when the firewall is deactivated through the administration.html page.

Understanding CVE-2017-11646

This CVE entry identifies a CSRF vulnerability in NetComm Wireless 4GT101W routers.

What is CVE-2017-11646?

The NetComm Wireless 4GT101W routers, particularly those with Hardware: 0.01 / Software: V1.1.8.8 / Bootloader: 1.1.3, are prone to CSRF attacks. This vulnerability arises when the firewall is disabled using the administration.html page, lacking necessary CSRF protection tokens.

The Impact of CVE-2017-11646

The vulnerability allows malicious actors to perform unauthorized actions on the affected routers, compromising network security and potentially leading to further exploitation.

Technical Details of CVE-2017-11646

NetComm Wireless 4GT101W routers are susceptible to CSRF attacks due to a lack of proper token implementation.

Vulnerability Description

The CSRF vulnerability in these routers enables attackers to manipulate router settings by tricking authenticated users into unknowingly executing malicious actions.

Affected Systems and Versions

Product: NetComm Wireless 4GT101W routers
Hardware: 0.01
Software: V1.1.8.8
Bootloader: 1.1.3

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious requests that are executed when authenticated users access specific pages, such as the administration.html page.

Mitigation and Prevention

To address CVE-2017-11646, users and administrators should take immediate and long-term security measures.

Immediate Steps to Take

Avoid accessing the administration.html page from untrusted sources.
Regularly monitor router settings for unauthorized changes.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Keep router firmware up to date to patch known vulnerabilities.
Educate users on recognizing and avoiding CSRF attacks.

Patching and Updates

Apply firmware updates provided by NetComm Wireless to address the CSRF vulnerability and enhance router security.