PT-2026-38459 · Yarbo · Firmware

Andreas Makris + 1 · Published 2026-05-07 · Updated 2026-05-07 · CVE-2026-7414

NVD

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Yarbo firmware v2.3.9 contains hardcoded administrative credentials embedded in the firmware image. These credentials are identical across all devices running this firmware and cannot be changed or removed by end users, enabling trivial unauthorized access to device management interfaces by anyone who knows them.

Fix

Using Hardcoded Credentials

Weakness Enumeration

CWE-798

Related Identifiers

CVE-2026-7414

Affected Products

Firmware

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-7414 · Security Note
• https://github.com/Bin4ry/yarbo-nat-in-my-back-yard · Note
• https://takeonme.org/gcves/GCVE-1337-2026-00000000000000000000000000000000000000000000000001111111111100011111111111000000000000000000000000000000000000000000000000000001000 · Note