CVE-2026-18600 GL.iNet GL-MT3000 Network Lua RPC Plugin network network.switch_status command injection
Remote attackers can execute arbitrary commands on GL.iNet GL-MT3000 routers via the network.switch_status RPC function.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-18600?
CVE-2026-18600 is a high-severity command injection vulnerability in GL.iNet GL-MT3000, published on 3 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been found in GL.iNet GL-MT3000 up to 4.4.5. This affects the function network.switch_info/network.switch_status of the file /usr/lib/oui-httpd/rpc/network of the component Network Lua RPC Plugin. Such manipulation of the argument switch leads to command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.
Which versions are affected by CVE-2026-18600?
How do I fix CVE-2026-18600?
No fix has been published for CVE-2026-18600 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-2026-18600 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-18600 exists.
Sources
Also known as GHSA-m56q-x47w-q72w.