Buffer overflow in S0 Decryption on Unify Gateway
Priority MEDIUM 43CWE-125Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
Description: A vulnerability in SiLabs Unify Gateway 1.3.1 and earlier allows an unauthenticated attacker within Z-Wave range to overflow a stack buffer, leading to arbitrary code execution.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00417 36th percentileScored 2026-11-07
Fix Fixed Unify Gateway (Silicon Labs): 1.3.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| silabs.com | Unify Gateway | — | 1.3.2 | Patch available | CNA |
- Unify Gateway Vendorsilabs.com Affected — Fixed in 1.3.2 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:silabs:unify_software_development_kit:*:*:*:*:*:*:*:* | up to 1.3.1 | Vulnerable | silabs.com |
- cpe:2.3:a:silabs:unify_software_development_kit:*:*:*:*:*:*:*:* Versions up to 1.3.1 Vulnerable ·silabs.com
Remediation
- Fix · CNA Unify Gateway (Silicon Labs) Fixed in 1.3.2
Timeline
- 2026-10-02 Threatist record created from CVE-2023-3110
- 2026-10-03 Alias added: GHSA-pq98-r2rc-hr54
References
Sources
- CVE-2023-3110 · CVE Program
- CVE-2023-3110 · NVD
- FIRST EPSS
- GHSA-pq98-r2rc-hr54 · 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