CVE-2026-71990 - MSI Radix AXE6600 v781521 Command Injection via TelnetSSH Function

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CRITICAL

MSI Radix AXE6600 v781521 Command Injection via TelnetSSH Function

Published Aug 8, 2026

9.3

CRITICAL

CVSS 4.0

EPSS 2.46%

Description

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.

Affected products

Vendor MSI Product Radix AXE6600 Default
affected
- Version
  0
  Status
  affected
  Constraints
  <=v781521

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

MSI

Radix AXE6600

affected

Version	Status	Constraints
0	affected	<=v781521

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-78

OS Command Injection

References (3)

https://us.msi.com/Networking/RadiX-AXE6600-WiFi-6E-Tri-Band-Gaming-Router/support
patch
https://www.msi.com/
product
https://www.vulncheck.com/advisories/msi-radix-axe6600-v781521-command-injection-via-telnetssh-function
third-party-advisory

Link	Providers	Tags
https://us.msi.com/Networking/RadiX-AXE6600-WiFi-6E-Tri-Band-Gaming-Router/support		patch
https://www.msi.com/		product
https://www.vulncheck.com/advisories/msi-radix-axe6600-v781521-command-injection-via-telnetssh-function		third-party-advisory