CVE-2026-18787

HIGH 8.8

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

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-77 CWE-74
Vendor	gl.inet
Product	ax1800
Published	Aug 4, 2026
Last Updated	Aug 4, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

GL.iNet / AX1800

4.8.0 4.8.1 4.8.2 4.8.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/385788 vuldb.com: https://vuldb.com/vuln/385788/cti vuldb.com: https://vuldb.com/cve/CVE-2026-18787 vuldb.com: https://vuldb.com/submit/857346 github.com: https://github.com/xxianxiayubanmian/iot/blob/main/GL-link%20AX1800.md

Credits

🔍 misaki_ce (VulDB User) VulDB CNA Team