CVE-2023-4489 Z/IP Gateway Use of Uninitialized PRNG when Generating S0 Encryption Key

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...