What is CVE-2026-71983?

CVE-2026-71983 is a critical-severity vulnerability in Msi Radix Axe6600, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-08-08.

How severe is CVE-2026-71983?

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

RCE in Msi Radix Axe6600

CVE-2026-71983

MSI Radix AXE6600 router firmware version v781521 contains a command injection vulnerability in the wps.cgi interface that allows remote attackers to execute arbitrary commands by injecting malicious input through the pin2g, pin5g, or pin6g parameters. Attackers can exploit these unsanitized parameters to execute arbitrary commands on the affected device and obtain root privileges.

Vulnerability class: Command Injection (OS Command Injection)

Published 2026-08-08 · 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: 0.016 (75.0th percentile), scored 2026-09-23.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · 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-wp… (third-party-advisory)

Frequently asked questions

What is CVE-2026-71983?: CVE-2026-71983 is a critical-severity vulnerability in Msi Radix Axe6600, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-08-08.
How severe is CVE-2026-71983?: Critical severity. CVSS v3 base score is 9.8 out of 10.