Ruckus vRioT through 1.5.1.0.21 has an API backdoor that is hardcoded into validate_token.py. An unauthenticated attacker can interact with the service API by using a backdoor value as the Authorization header.
https://x-c3ll.github.io
https://twitter.com/TheXC3LL
https://adepts.of0x.cc
https://support.ruckuswireless.com/security_bulletins/305
https://support.ruckuswireless.com/documents
https://adepts.of0x.cc/ruckus-vriot-rce/
Source: Mitre, NVD
Published: 2020-10-26
Updated: 2026-06-17
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.42479