CVE-2023-0970: Serial API Buffer Overflow in Z/IP Gateway

Severity: medium (CVSS 6.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-06-21 · updated 2026-06-17
Weakness: CWE-125

Description

Multiple buffer overflow vulnerabilities in SiLabs Z/IP Gateway SDK version 7.18.01 and earlier allow an attacker with invasive physical access to a Z-Wave controller device to overwrite global memory and potentially execute arbitrary code.

Affected products

Silicon Labs Z/IP Gateway: through 7.18.01

References

https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0698Y00000V6HZzQAN?operationContext=S1
https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0698Y00000V6HZzQAN?operationContext=S1

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