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.

References

https://vuldb.com/vuln/385788/cti

https://vuldb.com/vuln/385788

https://vuldb.com/submit/857346

https://vuldb.com/cve/CVE-2026-18787

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

Details

Source: Mitre, NVD

Published: 2026-08-04

Updated: 2026-08-04

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

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

Severity: High

CVSS v4

Base Score: 8.7

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.01652