This indicates an attack attempt to exploit a Cross Site Request Forgery vulnerability in TP-Link Routers.
The vulnerability is due to insufficient sanitizing of user supplied inputs in the application. An attacker may exploit this to perform unauthorized action on the affected routers.
TP-Link TL-WR841N v13 Firmware 0.9.1 4.16 v0001.0 Build 180119 Rel.65243n
System Compromise: Remote attackers can gain control of vulnerable systems.
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