CVE-2026-7415

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.

CVSS 3.1

9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-25)

CWE

CWE-306

Published

2026-05-07

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• yarbo:lawn_mower_firmware
• yarbo:lawn_mower_pro_firmware

References

• https://github.com/Bin4ry/yarbo-nat-in-my-back-yard
• https://takeonme.org/gcves/GCVE-1337-2026-00000000000000000000000000000000000000000000000000111111111100111111111110000000000000000000000000000000000000000000000000000001001
• https://github.com/Bin4ry/yarbo-nat-in-my-back-yard

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