CVE-2018-10252 : Vulnerability Insights and Analysis

A vulnerability has been discovered in devices running Actiontec WCB6200Q firmware version 1.1.10.20a or earlier, allowing for potential admin session hijacking.

Understanding CVE-2018-10252

This CVE identifies a security flaw in the way admin login session cookies are generated on Actiontec WCB6200Q devices.

What is CVE-2018-10252?

The vulnerability in Actiontec WCB6200Q devices allows attackers to hijack admin sessions by exploiting the insecure generation of session cookies during the login process.

The Impact of CVE-2018-10252

The vulnerability enables attackers to gain admin control over the device, potentially creating a backdoor into the network by adding a secondary SSID.

Technical Details of CVE-2018-10252

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

Vulnerability Description

Admin login session cookies are insecurely generated on Actiontec WCB6200Q devices, allowing for session hijacking.

Affected Systems and Versions

Actiontec WCB6200Q devices running firmware version 1.1.10.20a or earlier are affected.

Exploitation Mechanism

During the login process, a session cookie is created using the rounded time of day accurate to 10ms, which can be exploited by systematically backtracking through potential session values.

Mitigation and Prevention

Protecting against CVE-2018-10252 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade Actiontec WCB6200Q firmware to version 1.1.10.20a or later.
Monitor admin login sessions for any suspicious activity.

Long-Term Security Practices

Implement strong password policies for admin accounts.
Regularly audit and review admin access to the device.

Patching and Updates

Stay informed about security updates and patches released by Actiontec to address this vulnerability.