CVE-2021-42892: Totolink EX1200T Firmware

Medium severity, CVSS 4.3. EPSS: 0.7% chance of exploitation in the next 30 days.

In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can start telnet without authorization because the default username and password exists in the firmware.

Affected products

• Totolink EX1200T Firmware: version 4.1.2cu.5215 only

Published 2022-06-03. Last modified 2026-06-17.