Check Point Advisories

Asus Askey Routers Cross-Site Scripting (CVE-2021-27403)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-0117
Date Published:	16 Mar 2021
Severity:	Medium
Last Updated:	Tuesday 16 March, 2021
Source:
Industry Reference:	CVE-2021-27403
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Asus Askey RTF8115VW BR_SV_g11.11_RTF_TEF001_V6.54_V014
Vulnerability Description	A cross-site scripting vulnerability exists in Asus Askey routers. Successful exploitation of this vulnerability would allow remote attackers to inject arbitrary web script into 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

In the IPS tab, click Protections and find the Asus Askey Routers Cross-Site Scripting (CVE-2021-27403) 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: Asus Askey Routers Cross-Site Scripting (CVE-2021-27403)