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CVE-2026-18584

5.4 · MEDIUM

A security vulnerability has been detected in GL.iNet E5800, E750, X2000, X3000, XE3000 and XE300 up to 20260707.

Published Aug 3, 2026CWE-266EPSS 0.35%

Overview

CVE-2026-18584 is a medium-severity vulnerability. It was published on August 3, 2026 and has a CVSS 3.1 base score of 5.4 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/gl-inet/CVE-issues/blob/main/4.0.0/Unauthenticated%20access%20to%20eSIM%20LPA%20API%20via%20nginx%20proxy%20bypass.mdRefvuldb.com/cve/CVE-2026-18584Refvuldb.com/submit/849283Refvuldb.com/vuln/385413Refvuldb.com/vuln/385413/cti

How CyberStrike helps

Frequently asked questions

What is CVE-2026-18584?

CVE-2026-18584 is a medium-severity vulnerability. It was published on August 3, 2026 and has a CVSS 3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2026-18584?

This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-18584?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-18584?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-18584 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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