Missing MAC layer security in Wi-SUN Linux Border Router
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 Linux Border Router v1.5.2 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 Linux Border Router | 1.0.0 – 1.5.2 | — | No fix listed | CNA |
- Wi-SUN Linux Border Router Vendorsilabs.com Affected 1.0.0 – 1.5.2 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:silabs:wireless_smart_ubiquitous_network_linux_border_router_firmware:*:*:*:*:*:*:*:* | up to 1.5.2 | Vulnerable | silabs.com |
| cpe:2.3:h:silabs:wireless_smart_ubiquitous_network_linux_border_router:-:*:*:*:*:*:*:* | not specified by NVD | Running on | silabs.com |
- cpe:2.3:o:silabs:wireless_smart_ubiquitous_network_linux_border_router_firmware:*:*:*:*:*:*:*:* Versions up to 1.5.2 Vulnerable ·silabs.com
- cpe:2.3:h:silabs:wireless_smart_ubiquitous_network_linux_border_router:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·silabs.com
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-1262
- 2026-10-03 Alias added: GHSA-cjwm-65c2-wwqf
References
Sources
- CVE-2023-1262 · CVE Program
- CVE-2023-1262 · NVD
- FIRST EPSS
- GHSA-cjwm-65c2-wwqf · 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