CVE-2021-20694: D-Link Dap-1880ac Firmware

High severity, CVSS 8.8. EPSS: 1.7% chance of exploitation in the next 30 days.

Improper access control vulnerability in DAP-1880AC firmware version 1.21 and earlier allows a remote authenticated attacker to bypass access restriction and to start a telnet service via unspecified vectors.

Affected products

• D-Link Dap-1880ac Firmware: up to and including 1.21

Published 2021-04-26. Last modified 2026-06-17.