Command Injection Vulnerability in MSI Radix AXE6600 Router Firmware
CVE-2026-71990

9.3CRITICAL

Key Information:

Vendor

Msi

Status
Radix Axe6600
Vendor
CVE Published:
8 August 2026

What is CVE-2026-71990?

The MSI Radix AXE6600 router firmware version v781521 is susceptible to a command injection vulnerability through its TelnetSSH function. This flaw allows remote attackers to inject arbitrary commands when accessing the SSH configuration interface. Successful exploitation could lead to the attacker gaining root privileges on the device, compromising the security of the entire network. Users are advised to update to the latest firmware to mitigate this risk.

Affected Version(s)

Radix AXE6600 0

References

https://www.msi.com/
product
https://us.msi.com/Networking/RadiX-AXE6600-WiFi-6E-Tri-B...
patch
https://www.vulncheck.com/advisories/msi-radix-axe6600-v7...
third-party-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jincheng Wang
.