CVE-2026-18787

GL.iNet AX1800 RPC Endpoint oui-rpc.lua remove_rule command injection

Published Aug 4, 2026 CVSS 4.0 · 8.7 High EPSS 3.2% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Gl-inet ax1800
Vendors & Products Gl-inet ax1800
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title GL.iNet AX1800 RPC Endpoint oui-rpc.lua remove_rule command injection
First Time appeared Gl-inet
Gl-inet ax1800 Firmware
Weaknesses CWE-74
CWE-77
CPEs cpe:2.3:o:gl-inet:ax1800_firmware:*:*:*:*:*:*:*:*
Vendors & Products Gl-inet
Gl-inet ax1800 Firmware
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'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/E:P'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Aug 4, 2026, 5:19 PM
Reserved
Aug 4, 2026, 8:33 AM
Status
Deferred
Published
Aug 4, 2026, 5:16 PM
Modified
Oct 24, 2026, 4:10 PM