CVE-2026-7413

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.

More information : https://github.com/Bin4ry/yarbo-nat-in-my-back-yard