What is CVE-2026-71992?

CVE-2026-71992 is a critical-severity vulnerability in Msi Radix Axe6600, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-08-09.

How severe is CVE-2026-71992?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Msi Radix Axe6600

CVE-2026-71992

MSI Radix AXE6600 router firmware version v781521 contains a command injection vulnerability in the macfilter function that allows remote attackers to execute arbitrary commands on the affected device. Attackers can exploit the macfilter function to inject malicious commands and obtain root privileges on the underlying system.

Vulnerability class: Command Injection (OS Command Injection)

Published 2026-08-09 · last modified 2026-08-31.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (70.3th percentile), scored 2026-09-23.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Msi Radix Axe6600 — versions 0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

us.msi.com/Networking/RadiX-AXE6600-WiFi-6E-Tri-Band-Gaming-Router/support (patch)
www.msi.com/ (product)
www.vulncheck.com/advisories/msi-radix-axe6600-v781521-command-injection-via-ma… (third-party-advisory)

Frequently asked questions

What is CVE-2026-71992?: CVE-2026-71992 is a critical-severity vulnerability in Msi Radix Axe6600, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-08-09.
How severe is CVE-2026-71992?: Critical severity. CVSS v3 base score is 9.8 out of 10.