CVE-2026-53876 Command injection in RadiX AX6600 WiFi 6 Tri-Band Gaming Router
An administrator can execute arbitrary commands with root privileges via OS command injection in the web console of the RadiX AX6600 router.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-53876?
CVE-2026-53876 is a high-severity command injection vulnerability in Micro-Star International Co., Ltd. RadiX AX6600 WiFi 6 Tri-Band Gaming Router, published on 17 Jun 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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.
Weakness: CWE-78
Which versions are affected by CVE-2026-53876?
How do I fix CVE-2026-53876?
No fix has been published for CVE-2026-53876 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-53876 being exploited?
There is no known exploitation of CVE-2026-53876 in the wild and no public exploit code.
Sources
Also known as GHSA-fw6v-j2x3-6fjx.