Vulnerability in Yarbo Firmware
CVE-2026-7413
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (52.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.001
Affected products
- Yarbo Firmware — versions 0
- Yarbo Lawn Mower
- Yarbo Lawn Mower Firmware — versions 2.3.9
- Yarbo Lawn Mower Pro
- Yarbo Lawn Mower Pro Firmware — versions 2.3.9
Weakness classification (CWE)
References
- github.com/Bin4ry/yarbo-nat-in-my-back-yard (Exploit, Third Party Advisory, third-party-advisory)
- takeonme.org/gcves/GCVE-1337-2026-000000000000000000000000000000000000000000000… (Third Party Advisory, third-party-advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Third Party Advisory)
Frequently asked questions
- What is CVE-2026-7413?
- CVE-2026-7413 is a high-severity vulnerability in Yarbo Firmware, classified under Hidden Functionality. CVSS score: 7.2/10. Published 2026-05-07.
- How severe is CVE-2026-7413?
- High severity. CVSS v3 base score is 7.2 out of 10.