CVE-2026-7413
Last modified
CVE-2026-7413 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.58% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Yarbo | Lawn Mower Firmware | 2.3.9 |
| Yarbo | Lawn Mower Pro Firmware | 2.3.9 |
References
- https://github.com/Bin4ry/yarbo-nat-in-my-back-yardExploit, Third Party Advisory
- https://takeonme.org/cves/cve-2026-7413/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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