VulnerabilityAnalyzed
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.
CRITICAL 9.8EPSS 0.54%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.54% probability · 44th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-306
- Affected
- yarbo/lawn mower firmware · yarbo/lawn mower pro firmware
- Source
- cve@takeonme.org
References
- https://github.com/Bin4ry/yarbo-nat-in-my-back-yardExploit, Third Party Advisory
- https://takeonme.org/gcves/GCVE-1337-2026-00000000000000000000000000000000000000000000000000111111111100111111111110000000000000000000000000000000000000000000000000000001001Third Party Advisory
- https://github.com/Bin4ry/yarbo-nat-in-my-back-yardExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.