Linksys WRT120N
Linksys WRT120N v1
Manuf (OEM/ODM): Arcadyan
FCC approval date: 29 April 2009
UPC: 745883587858 (UPC DB, On eBay)
Country of manuf.: China
S/N prefix: JUT0, JUT00
Type: wireless router
FCC ID: Q87-WRT120N
IC ID: 3839A-WRT120N
Power: 12 VDC, 1 A
Connector type: barrel
CPU1: Atheros AR7240 (400 MHz)
FLA1: 2 MiB 2,097,152 B <br />16,384 Kib <br />2,048 KiB <br />16 Mib <br />0.00195 GiB <br /> (Macronix MX25L1606E)
RAM1: 32 MiB 33,554,432 B <br />262,144 Kib <br />32,768 KiB <br />256 Mib <br />0.0313 GiB <br /> (Winbond W9425G6JH-5)
Expansion IFs: none specified
WI1 chip1: Atheros AR9285
WI1 802dot11 protocols: bgn
WI1 MIMO config: 1x1:1
WI1 antenna connector: none
ETH chip1: Atheros AR7240
Switch: Atheros AR7240
LAN speed: 100M
LAN ports: 4
WAN speed: 100M
WAN ports: 1
bgn
Stock FW OS: SuperTask!
Default SSID: linksys (50 addl. devices)
Default IP address: 192.168.1.1
the IP 192.168.1.1 is used by 1304 additional devices
of which 154 are Linksys devices
Default login user: blank
Default login password: admin
blank:admin credentials used by 300 additional devices
of which 143 are Linksys devices
802dot11 OUI: 00:25:9C (8 E, 15 W), 68:7F:74 (13 E, 16 W), 98:FC:11 (8 E, 9 W)
Ethernet OUI: 00:25:9C (8 E, 15 W), 68:7F:74 (13 E, 16 W), 98:FC:11 (8 E, 9 W)
For a list of all currently documented Atheros (QCA) chipsets with specifications, see Atheros.
Wireless-N Home Router
"P/N: 141700520014J R0A2" is silkscreened on the board in the FCC photos.
The serial number for this device may be prefixed with JUT0 / JUT00.
- Linksys WRT120N on TechInfoDepot
- Linksys WRT120N Reviewed by SmallNetBuilder
- Linksys WRT120N supported ? on the DD-WRT forums
- (but lists processor and wireless chip part numbers)
Additional external links
Reverse engineering
- Craig's posts on /dev/ttyS0
- Reversing the WRT120N’s Firmware Obfuscation (2014-02-02)
- Re-enabling JTAG and Debugging the WRT120N (2014-02-05)
- notes the OS used as SuperTask!
- Cracking Linksys “Encryption” (2014-02-12)
- WRT120N fprintf Stack Overflow (2014-02-19)