Description
An issue was discovered on XiongMai Besder IP20H1 V4.02.R12.00035520.12012.047500.00200 cameras. An attacker on the same local network as the camera can craft a message with a size field larger than 0x80000000 and send it to the camera, related to an integer overflow or use of a negative number. This then crashes the camera for about 120 seconds.
References (2)
Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
http://blog.0x42424242.in/2019/04/besder-investigative-journey-part-1_24.html
Exploit, Third Party Advisory x_refsource_misc
https://www.youtube.com/watch?v=SnyPJtDDMFQ
Scores
CVSS v3
6.5
EPSS
0.0092
EPSS Percentile
55.8%
Attack Vector
ADJACENT_NETWORK
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-190
Status
published
Products (1)
xiongmaitech/besder_ip20h1_firmware
4.02.r12.00035520.12012.047500.00200
Published
May 10, 2019
Tracked Since
Feb 18, 2026