A broken access control vulnerability found in Advan VD-1 firmware versions up to 230. An attacker can send a POST request to cgibin/ApkUpload.cgi to install arbitrary APK without any authentication.
Severity
CVSS 3.0
7.5 high
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)