CVE-2026-18787 | GL.iNet AX1800 up to 4.8.3 RPC Endpoint oui-rpc.lua remove_rule args.id command injection

August 4, 2026 Yanac

A vulnerability has been found in GL.iNet AX1800 up to 4.8.3 and classified as critical. 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.

This vulnerability is uniquely identified as CVE-2026-18787. The attack is possible to be carried out remotely. Moreover, an exploit is present.

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