Command Injection Vulnerability in MSI Radix AXE6600 Router Firmware
CVE-2026-71991

9.3CRITICAL

Key Information:

Vendor

Msi

Status
Radix Axe6600
Vendor
CVE Published:
8 August 2026

What is CVE-2026-71991?

The MSI Radix AXE6600 router firmware version v781521 contains a command injection vulnerability in its TelnetSSH function. This flaw allows remote attackers to execute arbitrary commands on the device via the Telnet configuration interface. By injecting malicious commands, attackers can gain root access, potentially leading to complete system compromise. Users of affected firmware are advised to implement the latest security patches to mitigate the 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
.