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9.3

MSI Radix AXE6600 Router Telnet Configuration Hack

CVE-2026-71991 · published 26 days ago
Summary

The MSI Radix AXE6600 router's firmware has a security flaw in its Telnet configuration. This flaw allows hackers to remotely take control of the router's settings and potentially gain full access to the device. To stay safe, update the router's firmware to the latest version as soon as possible.

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 router firmware version v781521 contains a command injection vulnerability in the TelnetSSH function used for Telnet configuration that allows remote attackers to execute arbitrar...
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.
References
Severity
9.3 Critical
CVSS 3.1: 9.8 (MITRE)
Exploitation
EPSS 1%
Type
CWE-78OS Command Injection
Timeline
Published9 Aug 2026
Updated30 Aug 2026
First seen9 Aug 2026
Sources
CVE-2026-71991 · NVD
CVE-2026-71991 · MITRE
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