CVE-2026-18613 GL-iNet GL-MT3000 plugins.so Native Plugin glc plugins.set_config injection
Remote attackers can inject code via the plugins.set_config function in GL-iNet GL-MT3000 routers, potentially leading to arbitrary code execution.
- 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-2026-18613?
CVE-2026-18613 is a critical code 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 vulnerability has been found in GL-iNet GL-MT3000 up to 4.4.5. This issue affects the function plugins.set_config of the file /cgi-bin/glc of the component plugins.so Native Plugin. Such manipulation leads to injection. The attack can 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-2026-18613?
How do I fix CVE-2026-18613?
No fix has been published for CVE-2026-18613 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-18613 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-18613 exists.
Sources
Also known as GHSA-q4qj-7phf-qc9w.