Incorrect access control in Comtech EF Data CDM-625 / CDM-625A Advanced Satellite Modem with firmware v2.5.1 allows attackers to change the Administrator password and escalate privileges via sending a crafted POST request to /Forms/admin_access_1.
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: