CVE-2026-71990: Msi Radix AXE6600

Critical severity, CVSS 9.8. EPSS: 2.5% chance of exploitation in the next 30 days.

MSI Radix AXE6600 router firmware version v781521 contains a command injection vulnerability in the TelnetSSH function used for SSH configuration that allows remote attackers to execute arbitrary commands on the affected device. Attackers can exploit this vulnerability through the SSH configuration interface to inject malicious commands and obtain root privileges on the underlying system.

Affected products

• Msi Radix AXE6600: up to and including v781521

Published 2026-08-09. Last modified 2026-08-31.