PT-2026-38458 · Yarbo · Yarbo

Andreas Makris + 1 · Published 2026-05-07 · Updated 2026-05-14 · CVE-2026-7413

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Yarbo version 2.3.9

Description A hidden, persistent backdoor provides remote, unauthenticated or weakly authenticated access to privileged functionality. This backdoor is undocumented, cannot be disabled through user-facing settings, and persists after factory resets and standard firmware updates.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Hidden Functionality

Weakness Enumeration

CWE-912

Related Identifiers

CVE-2026-7413

Affected Products

Yarbo

References · 7

• 🔥 https://github.com/Bin4ry/yarbo-nat-in-my-back-yard · Exploit
• 🔥 https://takeonme.org/cves/cve-2026-7413 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-7413 · Security Note
• https://takeonme.org/gcves/GCVE-1337-2026-00000000000000000000000000000000000000000000000000111111111111111111111110000000000000000000000000000000000000000000000000000000111 · Note
• https://t.me/cveNotify/162827 · Telegram Post
• https://t.me/cveNotify/163489 · Telegram Post
• https://twitter.com/threatcluster/status/2052456222935146626 · Twitter Post