Vulnerability details
CVE-2026-38822
openNDS openNDS
CVSS 3.1
7.6High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.6High | 3.1 | CVEProject cvelistV5 (CNA) (mitre) | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| openNDS | openNDS | v < 11.0.0 | CVEProject cvelistV5 (CNA) |
References and advisories
1
Kolun on Telegram @kolunsec
Exploited CVEs, key news and a daily digest
Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.
Details
- Published
- 2026-08-28
- Last updated
- 2026-08-28
- State
- Published
- Assigner (CNA)
- mitre
Exploit prediction (EPSS)
2.27%
Probability of exploitation in 30 days
83.1%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')