This indicates an attack attempt to exploit a Code Injection vulnerability in Eir D1000 Modems.
The vulnerability is due to insufficient sanitizing of user supplied values inside HTTP requests. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application.
Eir D1000 Modems
System Compromise: Remote attackers can gain control of vulnerable systems.
Currently we are not aware of any vendor supplied patch for this vulnerability.