TP-LINK TL-7DR5130 v1.0.23 is vulnerable to TCP DoS or hijacking attacks. An attacker in the same WLAN as the victim can disconnect or hijack the traffic between the victim and any remote server by sending out forged TCP RST messages to evict NAT mappings in the router.
https://github.com/ouuan/router-vuln-report/blob/master/nat-rst/tl-7dr5130-nat-rst.md