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Vulnerabilities

Vulnerability · 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.

Published May 7, 2026 · catalog updated Jun 17, 2026 · lawn mower firmware

Check if you run it

No confirmed exploitation is on record for CVE-2026-7415. EPSS is 0.71%. Act only if a listed version of lawn mower firmware is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.71%
Remediation
Advisory link
Affected products
cpe yarbo/lawn mower firmware · cpe yarbo/lawn mower pro firmware

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

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

How to fix CVE-2026-7415

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-7415. EPSS is 0.71%. Act only if a listed version of lawn mower firmware is installed.

Which versions are affected?

Compare what you have installed with yarbo/lawn mower firmware 2.3.9; yarbo/lawn mower pro firmware 2.3.9. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-306: Missing Authentication for Critical Function. EPSS 0.71%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

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.

Sources

  • CVE.orgVulnerability recordCVE-2026-7415

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-7415

    30-day exploitation probability 0.7%

    first.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

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.