CVE-2026-18584 GL.iNet E5800/E750/X2000/X3000/XE3000/XE300 eSIM LPA API v1 improper authorization
An attacker on the local network can bypass authorization checks in the eSIM LPA API of GL.iNet routers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-18584?
CVE-2026-18584 is a medium-severity missing authorization vulnerability in GL.iNet E5800, 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 security vulnerability has been detected in GL.iNet E5800, E750, X2000, X3000, XE3000 and XE300 up to 20260707. Impacted is an unknown function of the file /sdk/v1 of the component eSIM LPA API. Such manipulation leads to improper authorization. The attack can only be initiated within the local network. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.
Which versions are affected by CVE-2026-18584?
How do I fix CVE-2026-18584?
No fix has been published for CVE-2026-18584 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-18584 being exploited?
There is no known exploitation of CVE-2026-18584 in the wild and no public exploit code.
Sources
Also known as GHSA-ww63-fp7c-4c6q.