CVE-2026-7414: Yarbo firmware v2.3.9 contains hardcoded administrative credentials embedded in the firmware image
Source GCVE Database
Not known to be exploited · CVSS 9.8 Critical.
Data as of 27 Oct 2026, 00:07 UTC
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 7 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| YarboFirmware | Affected
| Fixed in– |
Description
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.
References
- nvd.nist.gov/vuln/detail/CVE-2026-7414 (opens in a new tab)
- github.com/Bin4ry/yarbo-nat-in-my-back-yard (opens in a new tab)
- github.com/Bin4ry/yarbo-nat-in-my-back-yard (opens in a new tab)
- takeonme.org/gcves/GCVE-1337-2026-00000000000000000000000000000000000000000000000001111111111100011111111111000000000000000000000000000000000000000000000000000001000 (opens in a new tab)