CVE-2026-18787

8.8 HIGHpublic exploit available

Published 2026-08-04 · Updated 2026-08-04

AI risk analysis

Summary: The vulnerability allows command injection via manipulation of args.id in remove_rule function, enabling remote code execution.
Exploitability: Exploitation is relatively easy with a publicly available exploit; requires access to the affected GL.iNet AX1800 firmware version up to 4.8.3.
Blast radius: If exploited, this could lead to complete compromise of devices running the affected firmware, potentially affecting network security and data integrity.
Prioritized remediation: Update all instances of GL.iNet AX1800 to the latest firmware version immediately.

rcecommand-injectionfirmwareremote-exploit

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD 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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-74, CWE-77

Public exploit & PoC references

https://github.com/xxianxiayubanmian/iot/blob/main/GL-link%20AX1800.md

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.