CVE-2026-18599 GL.iNet GL-MT3000 Logread Lua RPC Plugin logread logread.set_config command injection
Attackers with permissions can execute arbitrary commands via the logread.set_config function in the GL.iNet GL-MT3000 router.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-18599?
CVE-2026-18599 is a high-severity command injection vulnerability in GL.iNet GL-MT3000, published on 3 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw has been found in GL.iNet GL-MT3000 up to 4.4.5. The impacted element is the function logread.set_config of the file /usr/lib/oui-httpd/rpc/logread of the component Logread Lua RPC Plugin. This manipulation of the argument record_size causes command injection. The exploit has been published 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-2026-18599?
How do I fix CVE-2026-18599?
No fix has been published for CVE-2026-18599 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-2026-18599 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-18599 exists.
Sources
Also known as GHSA-9x8v-f5rv-67fr.