CVE-2026-7413
High
Description
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.
SeverityHigh
CVSS7.2
Exploit probability—
ProductYarbo Lawn Mower Firmware
PublishedMay 7, 2026
First seenMay 7, 2026
Weakness typeCWE-912CWE-912
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| yarbo lawn_mower_firmware | 2.3.9 | — |
| yarbo lawn_mower_pro_firmware | 2.3.9 | — |
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