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ZyXEL ZyWALL Web Configurator Authentication Bypass Vulnerability

Information

Severity

Severity

Critical

Family

Family

Default Accounts

CVSSv2 Base

CVSSv2 Base

10.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Wont Fix

Created

Created

10 years ago

Modified

Modified

5 years ago

Summary

This host is running ZyXEL ZyWALL Web Configurator and prone to authentication bypass vulnerability.

Insight

Insight

By default, ZyXEL ZyWALL installs with default user credentials (username/password combination). The web configurator account has a password of '1234', which is publicly known and documented. This allows remote attackers to trivially access the program or system and gain privileged access.

Affected Software

Affected Software

ZyXEL ZyWALL

Solution

Solution

No known solution was made available for at least one year since the disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.