What is CVE-2026-71991?

CVE-2026-71991 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-2026-71991?

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

RCE in Msi Radix Axe6600

CVE-2026-71991

MSI Radix AXE6600 router firmware version v781521 contains a command injection vulnerability in the TelnetSSH function used for Telnet configuration that allows remote attackers to execute arbitrary commands on the affected device. Attacke…

Vulnerability class: Command Injection (OS Command Injection)

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.

Affected products

Msi Radix Axe6600 — versions 0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

disclosure@vulncheck.com (product)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-71991?: CVE-2026-71991 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-2026-71991?: Critical severity. CVSS v3 base score is 9.8 out of 10.