CVE-2026-38822

HighCVSS 7.6/10Last modified Sep 9, 2026

Description

In openNDS before 11.0.0, the client_params.sh script, invoked by the openNDS daemon to serve the authenticated client status page, is vulnerable to OS command injection through crafted HTTP GET query parameter keys. An authenticated captive portal user can inject arbitrary shell commands by embedding semicolons in a URL query parameter name.

Metrics

CVSS 3.1 7.6/10CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Weakness enumeration

CWE-78

Affected software

No affected versions have been published.

Timeline

Published: Aug 28, 2026
Last modified: Sep 9, 2026
NVD status: Deferred

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