CVE-2026-7415 — CRITICAL (9.8)

Vulnerability Description

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 Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Yarbo	Lawn Mower Firmware	2.3.9
Yarbo	Lawn Mower	-
Yarbo	Lawn Mower Pro Firmware	2.3.9
Yarbo	Lawn Mower Pro	-

Related Weaknesses (CWE)

CWE-306

References

https://github.com/Bin4ry/yarbo-nat-in-my-back-yardExploitThird Party Advisory
https://takeonme.org/gcves/GCVE-1337-2026-00000000000000000000000000000000000000Third Party Advisory
https://github.com/Bin4ry/yarbo-nat-in-my-back-yardExploitThird Party Advisory

FAQ

What is CVE-2026-7415?

CVE-2026-7415 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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...

How severe is CVE-2026-7415?

CVE-2026-7415 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-7415?

Check the references section above for vendor advisories and patch information. Affected products include: Yarbo Lawn Mower Firmware, Yarbo Lawn Mower, Yarbo Lawn Mower Pro Firmware, Yarbo Lawn Mower Pro.