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Vulnerability record · CVE-2026-18787 · published 4 August 2026

CVE-2026-18787: Injection vulnerability

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.

7.4 CVSS 4.0 High EPSS 3.2% · top 12.3% CWE-74 · InjectionCWE-77 · Command injection Deferred
7.4CVSS 4.0 base score, v2 9.0
3.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
12 Aug 2026Last modified by NVD

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.

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-18787), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.