Akuvox Smart Intercom/Doorphone Unauthenticated Stream Disclosure

Title: Akuvox Smart Intercom/Doorphone Unauthenticated Stream Disclosure
Advisory ID: ZSL-2024-5826
Type: Local/Remote
Impact: Exposure of Sensitive Information
Risk: (3/5)
Release Date: 20.08.2024
Summary
Vandal-resistant Door Phone for High-end Buildings. Offering top-of-the-line features, Akuvox X912 is targeted at high-end residential and commercial projects. With a compact size, it is perfect for buildings with limited installation space.
Description
The application suffers from an unauthenticated live stream disclosure when requesting video.cgi endpoint on port 8080.
Vendor
The Akuvox Company - https://www.akuvox.com
Affected Version
Doorphone:
S539
S532
X916
X915
X912
R29
Intercom:
R20K-2
R20A-2
C313W-2
NS-2
NC-2
NX-2
Firmware: 912.30.1.137
Tested On
lighttpd/1.4.30
EasyHttpServer
Vendor Status
[25.02.2024] Vulnerability discovered.
[19.03.2024] Vendor contacted.
[20.03.2024] Vendor responds asking for more details. Sends PGP key.
[22.03.2024] Replied to the vendor.
[29.03.2024] Vendor starts working on a fix.
[02.04.2024] Working with the vendor.
[03.07.2024] Vendor releases version 915.30.10.146 to address this issue.
[20.08.2024] Coordinated public security advisory released.
PoC
akuvox_stream.txt
Credits
Vulnerability discovered by Gjoko Krstic - <gjoko@zeroscience.mk>
References
[1] https://packetstormsecurity.com/files/180262/
Changelog
[20.08.2024] - Initial release
Contact
Zero Science Lab

Web: https://www.zeroscience.mk
e-mail: lab@zeroscience.mk