Missing MAC layer security in Wi-SUN SDK
Priority MEDIUM 42CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
Missing MAC layer security in Silicon Labs Wi-SUN SDK v1.5.0 and earlier allows malicious node to route malicious messages through network.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00439 38th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| silabs.com | Wi-SUN SDK | 1.0.0 – 1.5.0 | — | No fix listed | CNA |
- Wi-SUN SDK Vendorsilabs.com Affected 1.0.0 – 1.5.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:silabs:wi-sun_software_development_kit:*:*:*:*:*:*:*:* | up to 1.5.0 | Vulnerable | silabs.com |
- cpe:2.3:a:silabs:wi-sun_software_development_kit:*:*:*:*:*:*:*:* Versions up to 1.5.0 Vulnerable ·silabs.com
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-1261
- 2026-10-03 Alias added: GHSA-8cf7-2x37-pgq8
References
Sources
- CVE-2023-1261 · CVE Program
- CVE-2023-1261 · NVD
- FIRST EPSS
- GHSA-8cf7-2x37-pgq8 · 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