An issue was discovered in OpenNDS Captive Portal before version 10.1.2.
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
An issue was discovered in OpenNDS Captive Portal before version 10.1.2. When the custom unescape callback is enabled, attackers can execute arbitrary OS commands by inserting them into the URL portion of HTTP GET requests. Affected OpenNDS Captive Portal before version 10.1.2 fixed in OpenWrt master, OpenWrt 23.05 and OpenWrt 22.03 on 28. August 2023 by updating OpenNDS to version 10.1.3.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-38316
- 2026-10-03 Alias added: GHSA-857f-w8mj-5g2g
References
More openNDS Captive Portal vulnerabilities
- TI-2023-19720 An issue was discovered in OpenNDS Captive Portal before version 10.1.2. CVSS 3.1HIGH 7.5
- TI-2023-19718 An issue was discovered in OpenNDS Captive Portal before version 10.1.2. CVSS 3.1HIGH 7.5
- TI-2023-19713 An issue was discovered in OpenNDS Captive Portal before version 10.1.2. CVSS 3.1HIGH 7.5
- TI-2023-19711 An issue was discovered in OpenNDS Captive Portal before 10.1.2. CVSS 3.1HIGH 7.5
- TI-2023-19722 An issue was discovered in OpenNDS before 10.1.2. CVSS 3.1MEDIUM 5.3
- TI-2023-19712 An issue was discovered in OpenNDS Captive Portal before version 10.1.2. CVSS 3.1MEDIUM 6.5
Sources
- CVE-2023-38316 · CVE Program
- CVE-2023-38316 · NVD
- FIRST EPSS
- GHSA-857f-w8mj-5g2g · GitHub Advisory Database · CC BY 4.0
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