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.
Affected products
yarbo: lawn mower firmware; yarbo: lawn mower; yarbo: lawn mower pro firmware; yarbo: lawn mower pro
References3
- github.com/Bin4ry/yarbo-nat-in-my-back-yard ExploitThird Party Advisory
- github.com/Bin4ry/yarbo-nat-in-my-back-yard#3--hardcoded-develo… ExploitThird Party Advisory
- takeonme.org/gcves/GCVE-1337-2026-00000000000000000000000000000… Third Party Advisory
Metrics
- CVSS 3.1
-
9.8
CRITICAL
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 1% percentile: 45 · as of 13 November 2026
- CWE
- CWE-798
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