CVE-2021-42887: Totolink EX1200T Firmware

Critical severity, CVSS 9.8. EPSS: 44.3% chance of exploitation in the next 30 days.

In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can bypass login by sending a specific request through formLoginAuth.htm.

Affected products

• Totolink EX1200T Firmware: version 4.1.2cu.5215 only

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