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Ruckus ZoneFlex 7351 is a dual-band, dual-radio 802.11n 2x2 MIMO enterprise
access point.
Hardware highligts:
- CPU: Atheros AR7161 SoC at 680 MHz
- RAM: 64MB DDR
- Flash: 16MB SPI-NOR
- Wi-Fi 2.4GHz: AR9280 PCI 2x2 MIMO radio with external beamforming
- Wi-Fi 5GHz: AR9280 PCI 2x2 MIMO radio with external beamforming
- Ethernet: single Gigabit Ethernet port through Marvell 88E1116R gigabit PHY
- Standalone 12V/1A power input
- USB: optional single USB 2.0 host port on the 7351-U variant.
Serial console: 115200-8-N-1 on internal H1 header.
Pinout:
H1 ----------
|1|x3|4|5|
----------
Pin 1 is near the "H1" marking.
1 - RX
x - no pin
3 - VCC (3.3V)
4 - GND
5 - TX
Installation:
- Using serial console - requires some disassembly, 3.3V USB-Serial
adapter, TFTP server, and removing a single T10 screw.
0. Connect serial console to H1 header. Ensure the serial converter
does not back-power the board, otherwise it will fail to boot.
1. Power-on the board. Then quickly connect serial converter to PC and
hit Ctrl+C in the terminal to break boot sequence. If you're lucky,
you'll enter U-boot shell. Then skip to point 3.
Connection parameters are 115200-8-N-1.
2. Allow the board to boot. Press the reset button, so the board
reboots into U-boot again and go back to point 1.
3. Set the "bootcmd" variable to disable the dual-boot feature of the
system and ensure that uImage is loaded. This is critical step, and
needs to be done only on initial installation.
> setenv bootcmd "bootm 0xbf040000"
> saveenv
4. Boot the OpenWrt initramfs using TFTP. Replace IP addresses as needed:
> setenv serverip 192.168.1.2
> setenv ipaddr 192.168.1.1
> tftpboot 0x81000000 openwrt-ath79-generic-ruckus_zf7351-initramfs-kernel.bin
> bootm 0x81000000
5. Optional, but highly recommended: back up contents of "firmware" partition:
$ ssh root@192.168.1.1 cat /dev/mtd1 > ruckus_zf7351_fw_backup.bin
6. Copy over sysupgrade image, and perform actual installation. OpenWrt
shall boot from flash afterwards:
$ ssh root@192.168.1.1
# sysupgrade -n openwrt-ath79-generic-ruckus_zf7351-squashfs-sysupgrade.bin
After unit boots, it should be available at the usual 192.168.1.1/24.
Return to factory firmware:
1. Copy over the backup to /tmp, for example using scp
2. Unset the "bootcmd" variable:
fw_setenv bootcmd ""
3. Use sysupgrade with force to restore the backup:
sysupgrade -F ruckus_zf7351_backup.bin
4. System will reboot.
Quirks and known issues:
- Flash layout is changed from the factory, to use both firmware image
partitions for storage using mtd-concat, and uImage format is used to
actually boot the system, which rules out the dual-boot capability.
- Both radio has its own EEPROM on board, not connected to CPU.
- The stock firmware has dual-boot capability, which is not supported in
OpenWrt by choice.
It is controlled by data in the top 64kB of RAM which is unmapped,
to avoid the interference in the boot process and accidental
switch to the inactive image, although boot script presence in
form of "bootcmd" variable should prevent this entirely.
- On some versions of stock firmware, it is possible to obtain root shell,
however not much is available in terms of debugging facitilies.
1. Login to the rkscli
2. Execute hidden command "Ruckus"
3. Copy and paste ";/bin/sh;" including quotes. This is required only
once, the payload will be stored in writable filesystem.
4. Execute hidden command "!v54!". Press Enter leaving empty reply for
"What's your chow?" prompt.
5. Busybox shell shall open.
Source: https://alephsecurity.com/vulns/aleph-2019014
- There is second method to achieve root shell, using command injection
in the web interface:
1. Login to web administration interface
2. Go to Administration > Diagnostics
3. Enter |telnetd${IFS}-p${IFS}204${IFS}-l${IFS}/bin/sh into "ping"
field
4. Press "Run test"
5. Telnet to the device IP at port 204
6. Busybox shell shall open.
Source: https://github.com/chk-jxcn/ruckusremoteshell
Signed-off-by: Lech Perczak <lech.perczak@gmail.com>
116 lines
2.0 KiB
Plaintext
116 lines
2.0 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
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#include "ar7161_ruckus_gd11.dtsi"
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/ {
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model = "Ruckus ZoneFlex 7351[-U]";
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compatible = "ruckus,zf7351", "qca,ar7161";
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};
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&beamforming_2g_gpio {
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/* Default beamforming switches configuration from stock firmware,
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* the AP is started and for broadcast frames - all outputs high */
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lb0 {
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line-name = "beamforming:2g:lb0";
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gpios = <0 GPIO_ACTIVE_HIGH>;
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output-high;
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gpio-hog;
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};
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lb1 {
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line-name = "beamforming:2g:lb1";
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gpios = <1 GPIO_ACTIVE_HIGH>;
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output-high;
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gpio-hog;
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};
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lb2 {
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line-name = "beamforming:2g:lb2";
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gpios = <2 GPIO_ACTIVE_HIGH>;
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output-high;
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gpio-hog;
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};
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lb3 {
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line-name = "beamforming:2g:lb3";
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gpios = <4 GPIO_ACTIVE_HIGH>;
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output-high;
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gpio-hog;
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};
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lb4 {
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line-name = "beamforming:2g:lb4";
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gpios = <5 GPIO_ACTIVE_HIGH>;
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output-high;
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gpio-hog;
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};
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lb5 {
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line-name = "beamforming:2g:lb5";
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gpios = <6 GPIO_ACTIVE_HIGH>;
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output-high;
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gpio-hog;
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};
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};
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&beamforming_5g_gpio {
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/* Default beamforming switches configuration from stock firmware,
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* the AP is started and for broadcast frames - all outputs high */
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hb0 {
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line-name = "beamforming:5g:hb0";
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gpios = <0 GPIO_ACTIVE_HIGH>;
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output-high;
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gpio-hog;
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};
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hb1 {
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line-name = "beamforming:5g:hb1";
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gpios = <1 GPIO_ACTIVE_HIGH>;
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output-high;
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gpio-hog;
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};
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hb2 {
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line-name = "beamforming:5g:hb2";
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gpios = <2 GPIO_ACTIVE_HIGH>;
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output-high;
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gpio-hog;
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};
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hb3 {
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line-name = "beamforming:5g:hb3";
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gpios = <3 GPIO_ACTIVE_HIGH>;
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output-high;
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gpio-hog;
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};
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hb4 {
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line-name = "beamforming:5g:hb4";
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gpios = <4 GPIO_ACTIVE_HIGH>;
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output-high;
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gpio-hog;
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};
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hb5 {
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line-name = "beamforming:5g:hb5";
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gpios = <5 GPIO_ACTIVE_HIGH>;
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output-high;
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gpio-hog;
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};
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hb6 {
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line-name = "beamforming:5g:hb6";
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gpios = <6 GPIO_ACTIVE_HIGH>;
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output-high;
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gpio-hog;
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};
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hb7 {
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line-name = "beamforming:5g:hb7";
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gpios = <7 GPIO_ACTIVE_HIGH>;
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output-high;
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gpio-hog;
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};
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};
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