CVE-2026-71991

CRITICAL 9.8

MSI Radix AXE6600 v781521 Command Injection via TelnetSSH Function

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-78
Vendor	msi
Product	radix axe6600
Published	Aug 8, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

MSI / Radix AXE6600

0 ≤ v781521

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 Jincheng Wang