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Vulnerabilities

Vulnerability · CVE-2026-7413

A hidden, persistent backdoor was found in Yarbo firmware v2.3.9 that provides remote, unauthenticated (or weakly authenticated) access to privileged functionality.

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-2026-7413. EPSS is 0.70%. 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
0.70%
Remediation
Advisory link
Affected products
cpe yarbo/lawn mower firmware · cpe yarbo/lawn mower pro firmware

A hidden, persistent backdoor was found in Yarbo firmware v2.3.9 that provides remote, unauthenticated (or weakly authenticated) access to privileged functionality. The backdoor is undocumented, cannot be disabled via user-facing settings, and survives factory reset and ordinary firmware updates.

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-2026-7413

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-2026-7413. EPSS is 0.70%. 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-912: Hidden Functionality. EPSS 0.70%. 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

    A hidden, persistent backdoor was found in Yarbo firmware v2.3.9 that provides remote, unauthenticated (or weakly authenticated) access to privileged functionality. The backdoor is undocumented, cannot be disabled via user-facing settings, and survives factory reset and ordinary firmware updates.

  2. Jun 17, 2026 · NIST NVD

    Updated

    A hidden, persistent backdoor was found in Yarbo firmware v2.3.9 that provides remote, unauthenticated (or weakly authenticated) access to privileged functionality. The backdoor is undocumented, cannot be disabled via user-facing settings, and survives factory reset and ordinary firmware updates.

Sources

  • CVE.orgVulnerability recordCVE-2026-7413

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-7413

    30-day exploitation probability 0.7%

    first.org
  • NIST NVDVulnerability recordCVE-2026-7413

    A hidden, persistent backdoor was found in Yarbo firmware v2.3.9 that provides remote, unauthenticated (or weakly authenticated) access to privileged functionality. The backdoor is undocumented, cannot be disabled via user-facing settings, and survives factory reset and ordinary

    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.