CVE-2026-18787

High

Description

A vulnerability was identified in GL.iNet AX1800 up to 4.8.3. The affected element is the function remove_rule of the file /usr/share/gl-ngx/oui-rpc.lua of the component RPC Endpoint. The manipulation of the argument args.id leads to command injection. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.

SeverityHigh
CVSS8.8
Exploit probability—
ProductGl-inet Ax1800 Firmware
PublishedAug 4, 2026
First seenAug 4, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
gl-inet ax1800_firmware4.8.0, 4.8.1, 4.8.2, 4.8.3—

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CVE-2026-18787 · Gl-inet Ax1800 Firmware · Dark Radar