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CVE-2026-18613

GL-iNet GL-MT3000 injection

9.8 CRITICALEPSS 1.00%
  1. Published3 Aug 2026

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2026-18613 being actively exploited?

CVE-2026-18613 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.00%.

How severe is CVE-2026-18613?

CVE-2026-18613 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.00% probability of exploitation.

How do I fix CVE-2026-18613?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-18613 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.