How severe is CVE-2026-53876?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Micro-star International Co., Ltd. Radix Ax6600 Wifi 6 Tri-band Gaming Router

CVE-2026-53876

RadiX AX6600 WiFi 6 Tri-Band Gaming Router contains an OS command injection vulnerability, which may lead to arbitrary command execution with the root privilege by a user who logs in to the web console as an administrator.

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Micro-star International Co., Ltd. Radix Ax6600 Wifi 6 Tri-band Gaming Router — versions firmware versions prior to v781521

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

Frequently asked questions

What is CVE-2026-53876?: CVE-2026-53876 is a high-severity vulnerability in Micro-star International Co., Ltd. Radix Ax6600 Wifi 6 Tri-band Gaming Router, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-06-17.
How severe is CVE-2026-53876?: High severity. CVSS v3 base score is 7.2 out of 10.