Critical (9.8). EPSS 0.4% chance of exploitation in the next 30 days.
Shenzhen Tuoshi NR500-EA RG500UEAABxCOMSLICv3.4.2731.16.43 devices enable the SSH service by default. There is a hidden hard-coded root account that cannot be disabled in the GUI.
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
0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-10-31)