CVE-2026-7415: Yarbo Lawn Mower Firmware
Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.
The MQTT broker embedded in Yarbo firmware v2.3.9 is configured to allow anonymous connections with no topic-level read or write ACLs. Any host on the same network can subscribe to sensitive telemetry topics or publish control messages directly to the robot without authentication or authorization of any kind.
Affected products
Published 2026-05-07. Last modified 2026-06-17.