A vulnerability of remote credential disclosure was discovered in Advan VD-1 firmware versions up to 230. An attacker can export system configuration which is not encrypted to get the administrator’s account and password in plain text via cgibin/ExportSettings.cgi?Export=1 without any authentication.
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
1.9% chance of exploitation in the next 30 days; higher than 80% of CVEs (scores of 2026-10-31)