Staying Safe in Times of Cyber Uncertainty
Check Point Advisories

ZyXEL NAS Command Injection (CVE-2020-9054)

Check Point Reference: CPAI-2020-0088
Date Published: 26 Feb 2020
Severity: High
Last Updated: Thursday 17 February, 2022
Source:
Industry Reference:CVE-2020-9054
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? ZyXEL NAS326
ZyXEL NAS520
ZyXEL NAS540
ZyXEL NAS542
ZyXEL NSA210
ZyXEL NSA220
ZyXEL NSA220+
ZyXEL NSA221
ZyXEL NSA310
ZyXEL NSA310S
ZyXEL NSA320
ZyXEL NSA320S
ZyXEL NSA325
ZyXEL NSA325v2
Vulnerability Description A command injection vulnerability exists in Multiple ZyXEL network-attached storage (NAS) devices. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system.

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 R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the ZyXEL NAS Command Injection (CVE-2020-9054) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Server Enforcement Violation.
Attack Information:  ZyXEL NAS Command Injection (CVE-2020-9054)

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