Westermo EDW-100 devices through 2024-05-03 have a hidden root user account with a hardcoded password that cannot be changed. NOTE: this is a serial-to-Ethernet converter that should not be placed at the edge of the network.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
Access control involves the use of several protection mechanisms such as:
When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses: