In versions 4.3.2-R4 and prior of Cambium Networks cnPilot firmware, an undocumented, root-privilege administration web shell is available using the HTTP path https://<device-ip-or-hostname>/adm/syscmd.asp.
https://thehackernews.com/2025/01/hackers-exploit-zero-day-in-cnpilot.html
https://thehackernews.com/2025/01/mirai-botnet-variant-exploits-four.html
https://blog.xlab.qianxin.com/gayfemboy/
https://blog.xlab.qianxin.com/catddos-derivative-en/
Source: Mitre, NVD
Published: 2017-12-20
Updated: 2026-06-17
Base Score: 9
Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C
Severity: High
Base Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.39181