CVE-2026-7413
CRITICAL EPSS 43.2%
Published May 7, 20261mo ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Published May 7, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High
Threat Intelligence
EPSS Exploit Probability
43.2% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available
Weaknesses 1
CWE-912
Affected Products 4
References 3
- github.com https://github.com/Bin4ry/yarbo-nat-in-my-back-yard
- takeonme.org https://takeonme.org/cves/cve-2026-7413/
- takeonme.org https://takeonme.org/gcves/GCVE-1337-2026-00000000000000000000000000000000000000000000000000111111111111111111111110000000000000000000000000000000000000000000000000000000111
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.