CVE-2026-7413

HIGH 7.2

Persistent undocumented backdoor access in Yarbo robot

CVSS Score

7.2

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-912
Vendor	yarbo
Product	firmware
Published	May 7, 2026

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CVSS v3 Breakdown

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

Affected Versions

Yarbo / Firmware

0 ≤ 2.3.9

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/Bin4ry/yarbo-nat-in-my-back-yard takeonme.org: https://takeonme.org/gcves/GCVE-1337-2026-00000000000000000000000000000000000000000000000000111111111111111111111110000000000000000000000000000000000000000000000000000000111

Credits

Andreas Makris (aka Bin4ry) todb of AHA!