๐Ÿ” CVE Alert

CVE-2026-38822

HIGH 7.6
CVSS Score
7.6
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-78
Vendor opennds
Product opennds
Published Aug 28, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
Low

Affected Versions

openNDS / openNDS
0 < 11.0.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/openNDS/openNDS/commit/294983e859bb678eef7db06fc9f6afab0b489d8e