The first S0 encryption key is generated with an uninitialized PRNG in Z/IP Gateway products running Silicon Labs Z/IP Gateway SDK v7.18.3 and earlier. This makes the first S0 key generated at startup predictable, potentially allowing network key prediction and unauthorized S0 network access.
2023-12-14T23:15:07.400
2024-11-21T08:35:16.427
Modified
CVSSv3.1: 6.4 (MEDIUM)
| Type | Vendor | Product | Version/Range | Vulnerable? | 
|---|---|---|---|---|
| Application | silabs | z\/ip_gateway_sdk | ≤ 7.18.03 | Yes |