CVE-2026-18684 GL.iNet GL-MT3000 modem.so glc remove_profile command injection
Remote attackers can execute arbitrary commands on GL.iNet GL-MT3000 routers via the remove_profile function in modem.so.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-18684?
CVE-2026-18684 is a critical command injection vulnerability in GL.iNet GL-MT3000, published on 3 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A weakness has been identified in GL.iNet GL-MT3000 up to 4.4.5. This issue affects the function remove_profile of the file /cgi-bin/glc of the component modem.so. This manipulation causes command injection. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.
Which versions are affected by CVE-2026-18684?
How do I fix CVE-2026-18684?
No fix has been published for CVE-2026-18684 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-2026-18684 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-18684 exists.
Sources
Also known as GHSA-j682-xx2h-hv5m.