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

D-Link DSL-2750U rev U1

From WikiDevi
(Redirected from D-Link DSL-2750U)
Jump to: navigation, search

D-Link DSL-2750U U1
Availability: India, Middle East

FCC approval date: 18 June 2010
Country of manuf.: China

Type: wireless router, dsl modem

FCC ID: KA2SL2750EA1

Power: 12 VDC, 1 A
Connector type: barrel

CPU1: Realtek RTL8672 (400 MHz)
FLA1: 8 MiB
8,388,608 B
65,536 Kib
8,192 KiB
64 Mib
0.00781 GiB
(Brand? Model?)
RAM1: 32 MiB
33,554,432 B
262,144 Kib
32,768 KiB
256 Mib
0.0313 GiB
(Brand? Model?)

Expansion IFs: USB 2.0
USB ports: 1

WI1 chip1: Realtek RTL8192SU
WI1 802dot11 protocols: bgn
WI1 MIMO config: 2x2:2
WI1 antenna connector: none

ETH chip1: Realtek RTL8672
Switch: Realtek RTL8306SD
LAN speed: 10/100
LAN ports: 4

bgn

Flags: ADSL2+

802dot11 OUI: none specified

 FCC ID
D-Link DSL-2750EKA2SL2750EA1
 CPU1 brandWI1 chip1 brandWI1 chip2 brand
D-Link DSL-2750U rev C1BroadcomBroadcom
D-Link DSL-2750U rev U1RealtekRealtek
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 N300 ADSL2+ 4-Port Wi-Fi Router

Product page (India, black casing)
Product page (Iran, white casing)
Product page (Middle East [noted as using a white casing])

This device is probably using an RTL8676 SoC.

Stock Firmware D-Link DSL-2750U U1 (Chip RTL8676) Version 1.08 India:

Info dump from Dd[edit]

cat /proc/cpuinfo:
   system type             : RTL8672
   processor               : 0
   cpu model               : 56322
   BogoMIPS                : 458.75
   tlb_entries             : 64
   mips16 implemented      : yes

cat /proc/meminfo:
   MemTotal:          23940 kB
   MemFree:            6396 kB
   Buffers:            1504 kB
   Cached:             5136 kB
   SwapCached:            0 kB
   Active:             5636 kB
   Inactive:           4712 kB
   Active(anon):       3708 kB
   Inactive(anon):        0 kB
   Active(file):       1928 kB
   Inactive(file):     4712 kB
   SwapTotal:             0 kB
   SwapFree:              0 kB
   Dirty:                 0 kB
   Writeback:             0 kB
   AnonPages:          3724 kB
   Mapped:             2788 kB
   Slab:               5460 kB
   SReclaimable:        464 kB
   SUnreclaim:         4996 kB
   PageTables:          356 kB
   NFS_Unstable:          0 kB
   Bounce:                0 kB
   WritebackTmp:          0 kB
   CommitLimit:       11968 kB
   Committed_AS:       7008 kB
   VmallocTotal:    1048404 kB
   VmallocUsed:        1236 kB
   VmallocChunk:    1046952 kB

cat /proc/diskstats:
   31       0 mtdblock0 0 0 0 0 0 0 0 0 0 0 0
   31       1 mtdblock1 0 0 0 0 0 0 0 0 0 0 0
   31       2 mtdblock2 139 6155 12588 1790 0 0 0 0 0 1770 1780
   31       3 mtdblock3 0 0 0 0 0 0 0 0 0 0 0

Images[edit]

Some images of the unit: