This indicates an attack attempt to exploit a Local File Inclusion vulnerability in HPE FlexNetwork MSR2003 AC Router.
The vulnerability is due to an error when the vulnerable software handles a maliciously crafted request. A remote attacker may be able to exploit this to gain access to sensitive information.
HPE FlexNetwork MSR2003 AC Router (JG411A) MSR2000_7.10.R0615P16 and below
Information Disclosure: Remote attackers can gain sensitive information from vulnerable systems
Currently we are unaware of any vendor supplied patch for this issue.