Description
A hidden, persistent backdoor was found in Yarbo firmware v2.3.9 that provides remote, unauthenticated (or weakly authenticated) access to privileged functionality. The backdoor is undocumented, cannot be disabled via user-facing settings, and survives factory reset and ordinary firmware updates.
CVSS 7.2EPSS 0.577%Risk 0.76
View source- Published
- 2026-05-07 17:15:59
- Affected versions
- <=2.3.9
- Type
- Firmware
- Vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H