CVE-2026-38822

Published: Aug 28, 2026Modified: Sep 9, 2026Deferred

7.6

Vector

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

Exploitability: 2.1 / Impact: 5.5

Source: MITRE (Secondary)

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.

Related CWEs

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

References (1)

https://github.com/openNDS/openNDS/commit/294983e859bb678eef7db06fc9f6afab0b489d8e

Source: cve@mitre.org

Timeline

No history available yet.