Critical Risk Disclosed
CVE-2026-7414
Yarbo firmware v2.3.9 contains hardcoded administrative credentials embedded in the firmware image. These credentials are identical across all devices running this firmware and cannot be changed or removed by end users, enabling trivial unauthorized access to device management interfaces by anyone who knows them.
Exploitation Probability (EPSS)
Low Priority0.02%
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-1337-2026-00000000000000000000000000000000000000000000000001111111111100011111111111000000000000000000000000000000000000000000000000000001000Takeonme
Third Party Advisory
https://github.com/Bin4ry/yarbo-nat-in-my-back-yard#3--hardcoded-developer-credentials-in-production-apkGitHub
ExploitThird Party Advisory
Am I Vulnerable?
Check your domain or package.json for CVE-2026-7414 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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