Check Point Advisories

Zyxel EMG2926 Router OS Command Injection (CVE-2017-6884)

Vulnerability
Protection

Check Point Reference:	CPAI-2018-0844
Date Published:	16 Aug 2018
Severity:	Critical
Last Updated:	Thursday 16 August, 2018
Source:
Industry Reference:	CVE-2017-6884
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A command injection vulnerability exists in Zyxel EMG2926. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the router.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75

In the IPS tab, click Protections and find the Zyxel EMG2926 Router OS Command Injection protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Application Servers Protection Violation.
Attack Information: Zyxel EMG2926 Router OS Command Injection