CVE-2026-71991

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

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

• https://us.msi.com/Networking/RadiX-AXE6600-WiFi-6E-Tri-Band-Gaming-Router/support
• https://www.msi.com/
• https://www.vulncheck.com/advisories/msi-radix-axe6600-v781521-command-injection-via-telnetssh-function-used-for-telnet-configuration