Global read overflow in Z/IP Gateway

published 2023-06-21 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-12954

cvss: 3.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 16%
public exploits: 0; none known

A vulnerability in SiLabs Z/IP Gateway 7.18.01 and earlier allows an authenticated attacker within Z-Wave range to manipulate an array pointer to disclose the contents of global memory.

Patch / fix

fixed in 1

Silicon Labs Z/IP Gateway 7.18.03

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 23 mo ago (2024-12-06)

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	3.5	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD	3.1	3.5	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected products

Silicon Labs Z/IP Gateway

Classification

Weakness

CWE-125 Out-of-bounds Read
CWE-787 Out-of-bounds Write
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

siliconlabs.lightning.force.com /sfc/servlet.shepherd/document/download/0698Y00000V6HZzQAN?operationContext=S1
permissions-required

Sources

CVE List CVE-2023-0969
NVD CVE-2023-0969

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary