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9.3

MSI Radix AXE6600 Router Firmware v781521 Allows Remote Command Execution

CVE-2026-71990 · published 26 days ago
Summary

The MSI Radix AXE6600 router's firmware version v781521 has a security flaw that lets hackers access the router's system with full control. This can happen if an attacker logs in to the router's settings and sends malicious commands. To fix this, update the firmware to the latest version available.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
msi radix axe6600 <= v781521
Original advisory text
MSI Radix AXE6600 v781521 Command Injection via TelnetSSH Function
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.
References
Severity
9.3 Critical
CVSS 3.1: 9.8 (MITRE)
Exploitation
EPSS 1%
Type
CWE-78OS Command Injection
Timeline
Published8 Aug 2026
Updated30 Aug 2026
First seen9 Aug 2026
Sources
CVE-2026-71990 · NVD
CVE-2026-71990 · MITRE
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