CVE-2026-71993: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in MSI Radix AXE6600
A command injection vulnerability exists in the MSI Radix AXE6600 router firmware version v781521 in the openvpn function. This flaw allows remote attackers to execute arbitrary commands by exploiting the macfilter function, potentially gaining root privileges on the device. The vulnerability has a critical severity with a CVSS score of 9.3.
AI Analysis
Technical Summary
CVE-2026-71993 is a command injection vulnerability in the MSI Radix AXE6600 router firmware version v781521. The issue arises from improper neutralization of special elements in the openvpn function, specifically via the macfilter feature. Exploitation enables remote attackers to execute arbitrary OS commands with root privileges on the affected device, posing a critical security risk.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary commands on the device with root privileges, leading to full system compromise. This can result in unauthorized control over the router, potentially affecting network security and confidentiality.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or vendor advisory is currently available. Until a patch is released, restrict remote access to the device and monitor for suspicious activity related to the openvpn and macfilter functions.
CVE-2026-71993: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in MSI Radix AXE6600
Description
A command injection vulnerability exists in the MSI Radix AXE6600 router firmware version v781521 in the openvpn function. This flaw allows remote attackers to execute arbitrary commands by exploiting the macfilter function, potentially gaining root privileges on the device. The vulnerability has a critical severity with a CVSS score of 9.3.
CVSS v4.0
Score 9.3critical
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-71993 is a command injection vulnerability in the MSI Radix AXE6600 router firmware version v781521. The issue arises from improper neutralization of special elements in the openvpn function, specifically via the macfilter feature. Exploitation enables remote attackers to execute arbitrary OS commands with root privileges on the affected device, posing a critical security risk.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary commands on the device with root privileges, leading to full system compromise. This can result in unauthorized control over the router, potentially affecting network security and confidentiality.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or vendor advisory is currently available. Until a patch is released, restrict remote access to the device and monitor for suspicious activity related to the openvpn and macfilter functions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-08T23:57:54.802Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a77c951bf8831d5396d5b37
Added to database: 08/09/2026, 00:26:57 UTC
Last enriched: 08/09/2026, 00:41:05 UTC
Last updated: 08/09/2026, 01:01:00 UTC
Views: 4
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