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Yarbo firmware CVE-2026-7413

| EUVD-2026-28398 HIGH
Hidden Functionality (CWE-912)
2026-05-07 AHA GHSA-pq5m-hxx2-xhw5
Information Disclosure
7.2
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
May 07, 2026 - 17:30 vuln.today
CVE Published
May 07, 2026 - 16:09 nvd
HIGH 7.2

DescriptionNVD

A hidden, persistent backdoor was found in Yarbo firmware v2.3.9 that provides remote, unauthenticated (or weakly authenticated) access to privileged functionality. The backdoor is undocumented, cannot be disabled via user-facing settings, and survives factory reset and ordinary firmware updates.

AnalysisAI

Undocumented persistent backdoor in Yarbo firmware v2.3.9 grants remote privileged access that survives factory reset and firmware updates. The backdoor requires high-privilege authentication (CVSS PR:H) but provides complete system control once accessed. …

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RemediationAI

Within 24 hours: Inventory all Yarbo devices running firmware v2.3.9 and restrict administrative access to essential personnel only; enable logging of all administrative actions and access attempts. Within 7 days: Audit all high-privilege account activity for unauthorized access patterns; isolate affected Yarbo devices from critical network segments pending vendor remediation. …

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CVE-2026-7413 vulnerability details – vuln.today
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