By default, Zyxel ZyWall comes with a default password. The admin account has a password which is publicly known and documented. This allows attackers to trivially access the program or system, either from local network or exploiting the Cross-Site Request Forgery -vulnerability discovered in the web management interface.
Classification
Location:
Remote / Network Access
Attack Type:
Authentication Management,
Misconfiguration
Impact:
Loss of Integrity
Solution:
Change Default Setting
Disclosure:
OSVDB Verified
OSVDB:
Web Related
Solution
Immediately after installation, change all default installed accounts to use a unique and secure password. When possible, change default account names to custom names as well.