critical WPA2 vulnerabilities afoot, see KRACK attacks (discussion @ /r/KRaCK, HN, /r/netsec, Slashdot)

Tenda i21

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Tenda i21

FCC approval date: 04 December 2017
Country of manuf.: China

Type: access point

FCC ID: V7TI21

Power: 12 VDC, 1 A
Connector type: barrel

CPU1: Realtek RTL8197FN (1 GHz)
FLA1: 8 MiB
8,388,608 B
65,536 Kib
8,192 KiB
64 Mib
0.00781 GiB
(GigaDevice GD25Q64CSIG)
RAM1: 128 MiB
134,217,728 B
1,048,576 Kib
131,072 KiB
1,024 Mib
0.125 GiB
(Realtek RTL8197FN)

Expansion IFs: none specified

WI1 chip1: Realtek RTL8197FN
WI1 802dot11 protocols: bgn
WI1 MIMO config: 2x2:2
WI1 antenna connector: none
WI2 chip1: Realtek RTL8812BR
WI2 802dot11 protocols: an+ac
WI2 MIMO config: 2x2:2
WI2 antenna connector: none

ETH chip1: Realtek RTL8197FN
LAN speed: 10/100
LAN ports: 1

abgn+ac

Additional chips
5GHz 802.11ac Front End Module;Skyworks;SKY85735-11;;2;

Default IP address: 192.168.0.254
the IP 192.168.0.254 is used by 32 additional devices
of which 2 are Tenda devices
Default login user: admin
Default login password: admin
admin:admin credentials used by 1048 additional devices
of which 28 are Tenda devices

802dot11 OUI: none specified

For a list of all currently documented Realtek chipsets with specifications, see Realtek.
Regarding third party firmware support, Realtek SoC support in OpenWrt
+ (success) RTL8196C port status. on the OpenWrt Forum
and the Realtek thread on the DD-WRT Forum may be of interest.


Wireless Dual Band Ceiling Access Point

"10033096 V1.1" is silkscreened on the board in the FCC photos.