CVE-2021-38420: Deltaww Dialink

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Delta Electronics DIALink versions 1.2.4.0 and prior default permissions give extensive permissions to low-privileged user accounts, which may allow an attacker to modify the installation directory and upload malicious files.

Affected products

• Deltaww Dialink: up to and including 1.2.4.0

Published 2021-11-03. Last modified 2026-06-17.