CVE-2026-18787CWE-74CWE-77command-injection

CVE-2026-18787

High · published August 4, 2026

CVSS v3.1
8.8
EPSS
3%
Percentile
88.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.03212 · 88.1th percentile
Weaknesses
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'); CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')
Published
2026-08-04T21:16Z
References (5)
https://github.com/xxianxiayubanmian/iot/blob/main/GL-link%20AX1800.md · [email protected]https://vuldb.com/cve/CVE-2026-18787 · [email protected]https://vuldb.com/submit/857346 · [email protected]https://vuldb.com/vuln/385788 · [email protected]https://vuldb.com/vuln/385788/cti · [email protected]
EPSS history
Timeline
  • 04 AUG 17:00Z
    GL.iNet AX1800 RPC Endpoint oui-rpc.lua remove_rule command injection
    cvelistv5