CVE-2026-7413
HIGH NVDCVSS Score
7.2
Severity
HIGH
Source
NVD
Published
May 07, 2026
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.