CVE-2026-18598 GL.iNet GL-MT3000 Logread Lua RPC plugin logread logread.get_system_log command injection

High 8.7 Published Updated

Remote attackers can execute arbitrary commands on GL.iNet GL-MT3000 routers via the logread Lua RPC plugin.

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-2026-18598?

CVE-2026-18598 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 was detected in GL.iNet GL-MT3000 up to 4.4.5. The affected element is the function logread.get_system_log of the file /usr/lib/oui-httpd/rpc/logread of the component Logread Lua RPC plugin. The manipulation of the argument module results in command injection. The attack can be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.

Weakness: CWE-77, CWE-74

Which versions are affected by CVE-2026-18598?

How do I fix CVE-2026-18598?

No fix has been published for CVE-2026-18598 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-2026-18598 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-18598 exists.

Sources

Also known as GHSA-35v2-77rf-53pc.

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