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9.3

MSI Radix AXE6600 Router Firmware v781521 Allows Remote Command Execution

CVE-2026-71989 · published 26 days ago
Summary

The MSI Radix AXE6600 router's firmware version v781521 has a security flaw that lets hackers send commands to the router from anywhere, potentially giving them complete control over the device. This could be exploited by hackers to access sensitive information or disrupt the router's function. To protect your network, update your router's firmware to the latest version.

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 porTrigger function
MSI Radix AXE6600 router firmware version v781521 contains a command injection vulnerability in the porTrigger function that allows remote attackers to execute arbitrary commands on the affected device. Attackers can exploit this vulnerability through the alg function to execute 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-2026-71989 · NVD
CVE-2026-71989 · MITRE
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