CVE-2026-18787

HIGH

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

Title source: cna
STIX 2.1

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 (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-385788 | GL.iNet AX1800 RPC Endpoint oui-rpc.lua remove_rule command injection
https://vuldb.com/vuln/385788
Signature, Permissions Required signature permissions-required
VDB-385788 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/385788/cti
Third Party Advisory third-party-advisory
CVE-2026-18787 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-18787
Third Party Advisory third-party-advisory
Submit #857346 | GL.iNet AX1800 4.8.3 Command Injection
https://vuldb.com/submit/857346

Scores

CVSS v3 8.8
EPSS 0.0165
EPSS Percentile 74.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-74 CWE-77
Status published
Products (4)
GL.iNet/AX1800 4.8.0
GL.iNet/AX1800 4.8.1
GL.iNet/AX1800 4.8.2
GL.iNet/AX1800 4.8.3
Published Aug 04, 2026
Tracked Since Aug 04, 2026