CVE-2022-47036: Siklu Tg Terragraph

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Siklu TG Terragraph devices before approximately 2.1.1 have a hardcoded root password that has been revealed via a brute force attack on an MD5 hash. It can be used for "debug login" by an admin. NOTE: the vulnerability is not fixed by the 2.1.1 firmware; instead, it is fixed in newer hardware, which would typically be used with firmware 2.1.1 or later.

Affected products

  • Siklu Tg Terragraph: before 2.1.1 (fixed in 2.1.1)

Published 2024-03-18. Last modified 2026-06-17.