CVE-2022-25077: Totolink a3100r Firmware

Critical severity, CVSS 9.8. EPSS: 32.6% chance of exploitation in the next 30 days.

TOTOLink A3100R V4.1.2cu.5050_B20200504 was discovered to contain a command injection vulnerability in the "Main" function. This vulnerability allows attackers to execute arbitrary commands via the QUERY_STRING parameter.

Affected products

• Totolink a3100r Firmware: version 4.1.2cu.5050_b20200504 only

Published 2022-02-24. Last modified 2026-06-17.