CVE-2026-7414: lawn mower Hardcoded Credentials

Description

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.

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CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0002

Probability of exploitation

0.05%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-798 CWE-798

Affected Products

Vendor	Product	Versions
yarbo	lawn_mower_firmware	All
yarbo	lawn_mower	All
yarbo	lawn_mower_pro_firmware	All
yarbo	lawn_mower_pro	All

References

Exploits

https://github.com/Bin4ry/yarbo-nat-in-my-back-yard https://github.com/Bin4ry/yarbo-nat-in-my-back-yard#3--hardcoded-developer-credentials-in-production-apk

Other References

https://takeonme.org/gcves/GCVE-1337-2026-00000000000000000000000000000000000000000000000001111111111100011111111111000000000000000000000000000000000000000000000000000001000

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-7414? +

CVE-2026-7414 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0002, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-7414? +

CVE-2026-7414 affects products from yarbo, specifically: lawn_mower, lawn_mower_firmware, lawn_mower_pro, lawn_mower_pro_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-7414? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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