CVE-2026-18787

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

HIGH
8.8
CVSS Score
Published: August 4, 2026 at 05:00 PM UTC
Updated: October 24, 2026 at 04:10 PM UTC
2 products affected across 1 vendorAX1800 FirmwareGl AX1800

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Severity
HIGH8.8
Exploit prediction
EPSS 3%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/385788
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/385788/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-18787
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/857346

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-77CWE-74

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