CVE-2021-43664: Totolink EX300 v2 Firmware

High severity, CVSS 8.1. EPSS: 1.7% chance of exploitation in the next 30 days.

totolink EX300_v2 V4.0.3c.140_B20210429 was discovered to contain a command injection vulnerability via the component process forceugpo.

Affected products

• Totolink EX300 v2 Firmware: version 4.0.3c.140_b20210429 only

Published 2022-03-30. Last modified 2026-06-17.