The MQTT broker embedded in Yarbo firmware v2.3.9 is configured to allow anonymous connections with no topic-level read or write ACLs.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. May 7, 2026 · NIST NVD

   Detected

   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.

2. Jun 17, 2026 · NIST NVD

   Updated

   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

• cpe yarbo/lawn mower firmware2.3.9
• cpe yarbo/lawn mower pro firmware2.3.9

Sources

• CVE.orgVulnerability recordCVE-2026-7415

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-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

  nvd.nist.gov

References

• Exploit · github.com
• Third Party Advisory · takeonme.org