CVE-2026-7415
CVE-2026-7415 is a critical-severity vulnerability in Yarbo Lawn Mower Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-28400
- Weakness: CWE-306
- Affected product: Yarbo Lawn Mower Firmware
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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. 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.
- How severe is CVE-2026-7415?
- CVE-2026-7415 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-7415 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-7415?
- CVE-2026-7415 primarily affects Yarbo Lawn Mower Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-7415?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2026-7415 have an EU (EUVD) identifier?
- Yes. CVE-2026-7415 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28400.
- When was CVE-2026-7415 published?
- CVE-2026-7415 was published on 2026-05-07 and last updated on 2026-06-17.
References
- https://github.com/Bin4ry/yarbo-nat-in-my-back-yard
- https://takeonme.org/gcves/GCVE-1337-2026-00000000000000000000000000000000000000000000000000111111111100111111111110000000000000000000000000000000000000000000000000000001001
Affected products (2)
- cpe:2.3:o:yarbo:lawn_mower_firmware:2.3.9:*:*:*:*:*:*:*
- cpe:2.3:o:yarbo:lawn_mower_pro_firmware:2.3.9:*:*:*:*:*:*:*
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- CVE-2026-7414 — Critical (CVSS 9.8): Yarbo firmware v2.3.9 contains hardcoded administrative credentials embedded in the firmware image. These credentials…
- CVE-2026-7413 — High (CVSS 7.2): A hidden, persistent backdoor was found in Yarbo firmware v2.3.9 that provides remote, unauthenticated (or weakly…
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