Critical Risk Disclosed
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.
Exploitation Probability (EPSS)
Low Priority0.03%
The Exploit Prediction Scoring System (EPSS) uses machine learning to estimate the probability that a vulnerability will be exploited in the wild within the next 30 days.
0% (Theoretical)100% (Certainty)
7-Day Exploitation Trend
Vulnerability Timeline
2 eventsMay 7, 2026
Vulnerability Disclosed
Published to component-level vulnerability database.
May 14, 2026
Last Updated
Record updated with new analysis or tags.
Threat Actor Attribution
PREMIUM INTELAssociated Groups:Lazarus Group, APT28
Ransomware Campaigns:LockBit 3.0, BlackCat
IoCs (Indicators):14 IPs, 3 Hashes
Remediation & Mitigation
SOLUTIONOfficial patches and mitigation steps are available for this vulnerability.
# Update Command
apt-get update && apt-get upgrade -y specific-package
# Verify installation
dpkg -l | grep package-name
apt-get update && apt-get upgrade -y specific-package
# Verify installation
dpkg -l | grep package-name
Affected Products
4 Total
yarbo/lawn_mower_firmware2.3.9
yarbo/lawn_mower-
yarbo/lawn_mower_pro_firmware2.3.9
yarbo/lawn_mower_pro-
References
https://github.com/Bin4ry/yarbo-nat-in-my-back-yardGitHub
ExploitThird Party Advisory
https://takeonme.org/gcves/GCVE-1337-2026-00000000000000000000000000000000000000000000000000111111111100111111111110000000000000000000000000000000000000000000000000000001001Takeonme
Third Party Advisory
https://github.com/Bin4ry/yarbo-nat-in-my-back-yardGitHub
ExploitThird Party Advisory
Am I Vulnerable?
Check your domain or package.json for CVE-2026-7415 exposure.
Vulnerability Details
CVSS Base Score
9.8/ 10
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published Date
May 7, 2026
Last Modified
May 14, 2026
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