CVE-2026-7413
HIGH
NVD
CVSS Score
7.2
Severity
HIGH
Published
May 07, 2026
Vendor
unknown
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.