WDR 4300 's flaky firmware / security issue

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WDR 4300 's flaky firmware / security issue

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WDR 4300 's flaky firmware / security issue
WDR 4300 's flaky firmware / security issue
2014-07-24 05:55:29
Region : Netherlands

Model : TL-WDR4300

Hardware Version : V1

Firmware Version : 3.13.33 Build 130617 Rel.46239n

ISP :


Just setting up this nicely priced router with bandwidth limited guest WLAN today, but an unusual number of strange firmware faults caught my eye:

- DHCP Lease time is set to 120 minutes and indeed in the DHCP client list the leasetime counts down from 1:59:34 etc. BUT when you put in a different number of minutes, like I did, 480 minutes, the router DOUBLES the value and in the DHCP client list the countdown starts with 8 hours! It also doubles 960 minutes as 16 hours. I did not try other values,

- Wireless statistic page does not show all connected device nor is the number of SEND packets correct. (always 0) even after hitting "refresh" a number of times.

- The webGUI is accessable via the guest WLAN!

- Most irritating problem: simply no internet connection after changing LAN IP-adress. I 've changed the LAN to something like 192.168.55.55 and the router's DHCP works fine, handing out IP-adresses to wireless clients like 192.168.55.103, but non of the clients can connect to internet. rebooting router or clients, did not help. But then simply changing the LAN-IP to 192.168.55.1 made the clients able to connect. Changed it then back to 192.168.55.55 and every worked fine! You tell me what just happend?

- DHCP server keeps working even after ticking "disable".


Thanks for any suggestions in advance.
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#1
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6 Reply
Re:WDR 4300 's flaky firmware / security issue
2014-07-31 11:19:42
480=8hours I thinks the DHCP is working fine......

I have noticed the wireless statistic. It's always 0...But lucky it won't affect me.

The last problem I think the DNS may be not correct at first time you have changed the LAN IP.
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#2
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Re:WDR 4300 's flaky firmware / security issue
2014-08-01 09:26:16

RJ45 wrote

Region : Netherlands

Model : TL-WDR4300

Hardware Version : V1

Firmware Version : 3.13.33 Build 130617 Rel.46239n

ISP :


Just setting up this nicely priced router with bandwidth limited guest WLAN today, but an unusual number of strange firmware faults caught my eye:

- DHCP Lease time is set to 120 minutes and indeed in the DHCP client list the leasetime counts down from 1:59:34 etc. BUT when you put in a different number of minutes, like I did, 480 minutes, the router DOUBLES the value and in the DHCP client list the countdown starts with 8 hours! It also doubles 960 minutes as 16 hours. I did not try other values,

- Wireless statistic page does not show all connected device nor is the number of SEND packets correct. (always 0) even after hitting "refresh" a number of times.

- The webGUI is accessable via the guest WLAN!

- Most irritating problem: simply no internet connection after changing LAN IP-adress. I 've changed the LAN to something like 192.168.55.55 and the router's DHCP works fine, handing out IP-adresses to wireless clients like 192.168.55.103, but non of the clients can connect to internet. rebooting router or clients, did not help. But then simply changing the LAN-IP to 192.168.55.1 made the clients able to connect. Changed it then back to 192.168.55.55 and every worked fine! You tell me what just happend?

- DHCP server keeps working even after ticking "disable".


Thanks for any suggestions in advance.


Yes. It is a FW bug. I also can't change to any other LAN IPs. I changed and can't access to internet until I set back to 192.168.0.1 (rebooted 4 times). I also set DNS at WAN to manually. Same problem. You try this FW "wdr4300v1_en_3_13_34_up(131028).bin". Do HW reset and try. TP-Link tech support is very slow compared to others like Dlink/Asus to come out new FW. May be china engineers don't understand what the issues. Prices are reasonable in market and tech support wait long long....
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#3
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Re:WDR 4300 's flaky firmware / security issue
2014-08-07 06:09:56
Yes 480 minuts is 8 hours, my bad.
Rest of the issues still stands
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#4
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Guest can access router page.
2014-08-16 03:23:59
Did you notice that unsecured guest network user can access router page, even with IP isolation and then "brute force" router admin password.
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#5
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Re:WDR 4300 's flaky firmware / security issue
2014-10-03 03:18:24
Yes, that is exactly my point! The guest WLAN should not be able to access the webinterface, whatever password you have set.
You probably mean "AP-isolation".

Come on guys @ TP-LINK, this router is still being sold today, update the firmware!
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#6
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Re:WDR 4300 's flaky firmware / security issue
2014-10-03 10:17:14
Shouldn't be bumping old threads. Are you using the current firmware? (3.14.1 Build 140916 Rel.67118n) Is the issue(s) still present?
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#7
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