Hardcoded credentials in Yarbo robot firmware

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Summary

CVECVE-2026-7414
StatePUBLISHED
AssignerAHA
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-07 17:15:59 UTC
Updated2026-05-14 17:53:31 UTC
DescriptionYarbo 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.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

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

EPSS: 0.000180000 probability, percentile 0.048280000 (date 2026-05-25)

Problem Types: CWE-798 | CWE-798 CWE-798 Use of Hard-coded Credentials

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Yarbo Lawn Mower - All All All
Operating System Yarbo Lawn Mower Firmware 2.3.9 All All All
Hardware Yarbo Lawn Mower Pro - All All All
Operating System Yarbo Lawn Mower Pro Firmware 2.3.9 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Yarbo Firmware affected 2.3.9 semver Not specified

References

ReferenceSourceLinkTags
github.com/Bin4ry/yarbo-nat-in-my-back-yard 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com Exploit, Third Party Advisory
github.com/Bin4ry/yarbo-nat-in-my-back-yard [email protected] github.com Exploit, Third Party Advisory
takeonme.org/gcves/GCVE-1337-2026-0000000000000000000000000000000000000000... [email protected] takeonme.org Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Andreas Makris (aka Bin4ry) (en)

CNA: todb of AHA! (en)

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