how bad is this ?

Nighthawk AX6 6-Stream AX5400 WiFi Router(RAX50)

Nighthawk 2.5Gbps Cable Modem (CM2000)

connection is slow and unstable and the logs are always dos attacks

[DoS attack: RST Scan] from source 216.239.32.223,port 443 Monday, Jan 26, 2026 01:42:38

[DoS attack: Fraggle Attack] from source UNKNOWN,port 5223 Monday, Jan 26, 2026 01:39:21

[DoS attack: Fraggle Attack] from source UNKNOWN,port 5223 Monday, Jan 26, 2026 01:28:56

[DoS attack: Fraggle Attack] from source UNKNOWN,port 5223 Monday, Jan 26, 2026 01:18:31

[DoS attack: Fraggle Attack] from source UNKNOWN,port 5223 Monday, Jan 26, 2026 01:08:06

[DoS attack: Fraggle Attack] from source UNKNOWN,port 5223 Monday, Jan 26, 2026 00:57:41

[DoS attack: Fraggle Attack] from source UNKNOWN,port 5223 Monday, Jan 26, 2026 00:47:16

[DoS attack: Fraggle Attack] from source UNKNOWN,port 5223 Monday, Jan 26, 2026 00:36:51

[DoS attack: ACK Scan] from source 52.48.245.147,port 5223 Monday, Jan 26, 2026 00:35:51

[DHCP IP: (192.168.1.11)] to MAC address 04:03:D6:DB:F9:64, Monday, Jan 26, 2026 00:30:37

[DoS attack: Fraggle Attack] from source UNKNOWN,port 443 Monday, Jan 26, 2026 00:26:26

[DoS attack: ACK Scan] from source 3.169.183.82,port 443 Monday, Jan 26, 2026 00:24:27

[DoS attack: Fraggle Attack] from source UNKNOWN,port 443 Monday, Jan 26, 2026 00:16:01

[DoS attack: Fraggle Attack] from source UNKNOWN,port 443 Monday, Jan 26, 2026 00:05:36

[DHCP IP: (192.168.1.10)] to MAC address A0:CC:2B:B5:74:35, Monday, Jan 26, 2026 00:00:03

[DoS attack: Fraggle Attack] from source UNKNOWN,port 443 Sunday, Jan 25, 2026 23:55:11

[DoS attack: Fraggle Attack] from source UNKNOWN,port 443 Sunday, Jan 25, 2026 23:44:46

[DoS attack: ACK Scan] from source 23.56.126.144,port 443 Sunday, Jan 25, 2026 23:44:33

[DHCP IP: (192.168.1.5)] to MAC address E2:A0:8F:52:28:01, Sunday, Jan 25, 2026 23:34:34

[admin login] from source 192.168.1.9, Sunday, Jan 25, 2026 23:34:24

[DoS attack: Fraggle Attack] from source UNKNOWN,port 443 Sunday, Jan 25, 2026 23:34:21

[Time synchronized with NTP server] Sunday, Jan 25, 2026 23:33:54

[DHCP IP: (192.168.1.3)] to MAC address 54:BD:79:24:C7:D1, Sunday, Jan 25, 2026 23:33:51

[DHCP IP: (192.168.1.8)] to MAC address 02:0F:B5:E0:60:9B, Sunday, Jan 25, 2026 23:33:47

[DHCP IP: (192.168.1.7)] to MAC address F4:A9:97:17:6E:44, Sunday, Jan 25, 2026 23:33:46

[DHCP IP: (192.168.1.6)] to MAC address 68:9A:87:A0:0C:16, Sunday, Jan 25, 2026 23:33:45

[DoS attack: ACK Scan] from source 128.116.116.3,port 443 Sunday, Jan 25, 2026 23:17:55

[DHCP IP: (192.168.1.9)] to MAC address 00:1F:D0:81:10:A3, Sunday, Jan 25, 2026 23:17:54

[DHCP IP: (192.168.1.7)] to MAC address F4:A9:97:17:6E:44, Sunday, Jan 25, 2026 23:17:52

[DHCP IP: (192.168.1.6)] to MAC address 68:9A:87:A0:0C:16, Sunday, Jan 25, 2026 23:17:46

[DoS attack: ACK Scan] from source 54.159.126.87,port 443 Sunday, Jan 25, 2026 23:17:41

[DoS attack: ACK Scan] from source 54.159.126.87,port 443 Sunday, Jan 25, 2026 23:17:40

[Internet connected] IP address: 67.164.7.68, Sunday, Jan 25, 2026 23:17:40

[DHCP IP: (192.168.1.3)] to MAC address 54:BD:79:24:C7:D1, Sunday, Jan 25, 2026 23:17:25

[Internet disconnected] Sunday, Jan 25, 2026 23:17:22

[OPENVPN] NTP sync time failed. Get correct system time then reconnect. Sunday, Jan 25, 2026 23:17:16

[Initialized, firmware version: V1.0.17.142_2.0.100] Sunday, Jan 25, 2026 23:17:16

[DHCP IP: (192.168.1.2)] to MAC address 02:0F:B5:8E:28:24, Sunday, Jan 25, 2026 23:17:16