CVE-2022-25076: Totolink a800r Firmware

Critical severity, CVSS 9.8. EPSS: 3.2% chance of exploitation in the next 30 days.

TOTOLink A800R V4.1.2cu.5137_B20200730 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 a800r Firmware: version v4.1.2cu.5137_b20200730 only

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