Critical (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.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.5% chance of exploitation in the next 30 days; higher than 44% of CVEs (scores of 2026-10-31)