Vmg3312 B10b Firmware Vmg3312 B10b Firmware backdoor account

Vmg3312 B10b Firmware 1.00(AAPP.7) backdoor account

root@bitforbyte:~/xxx# binwalk 100AAPP7D0.bin

DECIMAL       HEXADECIMAL     DESCRIPTION
--------------------------------------------------------------------------------
131072        0x20000         JFFS2 filesystem, big endian

JFFS2 filesystem extract

total 1492
1049502 drwxr-xr-x 18 root root    4096 Oct 27 23:33 .
1049493 drwxr-xr-x  3 root root    4096 Oct 27 23:33 ..
1049503 drwxr-xr-x  2 root root    4096 Oct 27 23:33 bin
1049509 drwxr-xr-x  2 root root    4096 Oct 27 23:33 data
1049510 drwxr-xr-x  5 root root    4096 Oct 27 23:33 dev
1049512 drwxr-xr-x 14 root root    4096 Oct 27 23:33 etc
1049513 drwxr-xr-x  2 root root    4096 Oct 27 23:33 firmware
1049514 drwxr-xr-x  2 root root    4096 Oct 27 23:33 home
1049515 drwxr-xr-x  6 root root    4096 Oct 27 23:33 lib
1049516 lrwxrwxrwx  1 root root      11 Oct 27 23:33 linuxrc -> bin/busybox
1049517 drwxr-xr-x  2 root root    4096 Oct 27 23:33 log
1049518 drwxr-xr-x  2 root root    4096 Oct 27 23:33 mnt
1049519 drwxr-xr-x  5 root root    4096 Oct 27 23:33 opt
1049520 drwxr-xr-x  2 root root    4096 Oct 27 23:33 proc
1049521 drwxr-xr-x  2 root root    4096 Oct 27 23:33 sbin
1049522 drwxr-xr-x  2 root root    4096 Oct 27 23:33 sys
1049523 lrwxrwxrwx  1 root root       8 Oct 27 23:33 tmp -> /var/tmp
1049524 drwxr-xr-x  4 root root    4096 Oct 27 23:33 usr
1049525 drwxr-xr-x  3 root root    4096 Oct 27 23:33 var
1049526 -rw-r--r--  1 root root 1450819 Oct 27 23:33 vmlinux.lz
1049527 drwxr-xr-x  4 root root    4096 Oct 27 23:33 webs


open etc/default.cfg
        
        <User instance="2">
          <Enable>TRUE</Enable>
          <Level>2</Level>
          <Username>root</Username>
          <Password>dFRuMytaQCFTcjBPKwA=</Password>
        </User>
base64 decode for password <Password> ; tTn3+Z@!Sr0O+
root:tTn3+Z@!Sr0O+

We recently got a similar question on our Techdergi site and shared an answer. I’d appreciate your thoughts does our response look correct to you?

Question link: https://www.techdergi.net/soru-cevap/tp-link-vmg3312-arka-kapi-varmis-dogru-mu-bir-sorun-olur-mu

hi @anildurgun,
there is no modem under the name “Vmg3312” belonging to the TP-Link.

Zyxel has this model. It is recommended to upgrade to the latest version shared by the supplier company. This product is really common in Turkey, but it is also an old model.