An issue was discovered in Contiki-NG through 4.1.
Priority LOW 34CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
An issue was discovered in Contiki-NG through 4.1. There is a stack-based buffer overflow in next_string in os/storage/antelope/aql-lexer.c while parsing AQL (parsing next string).
Why it matters now
EPSS 0.00335 27th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
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
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:contiki-ng:contiki-ng.:*:*:*:*:*:*:*:* | up to 4.1 | Vulnerable | contiki-ng |
- cpe:2.3:o:contiki-ng:contiki-ng.:*:*:*:*:*:*:*:* Versions up to 4.1 Vulnerable ·contiki-ng
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-16666
- 2026-10-03 Alias added: GHSA-4g32-r823-mvhx
References
More Contiki-ng. vulnerabilities
- TI-2018-11946 An issue was discovered in Contiki-NG through 4.1. CVSS 3.0HIGH 7.8
- TI-2018-11950 An issue was discovered in Contiki-NG through 4.1. CVSS 3.0HIGH 7.0
- TI-2018-11947 An issue was discovered in Contiki-NG through 4.1. CVSS 3.0HIGH 7.0
- TI-2018-11948 An issue was discovered in Contiki-NG through 4.1. CVSS 3.0MEDIUM 6.1
Sources
- CVE-2018-16666 · CVE Program
- CVE-2018-16666 · NVD
- FIRST EPSS
- GHSA-4g32-r823-mvhx · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences