Medium severity · published Jun 25, 2026
CVE-2026-6432
Improper bounds validation in EmberZNet SDK
5.3
CVSS
0.6%
EPSS
No
On KEV
Description
Improper bounds validation in the ZAP command parser of EmberZNet SDK versions 8.0.0 through 9.1.1 (inclusive) and before 7.5.2 (exclusive) may result in crashes or dynamic memory leakage. In order to exploit this vulnerability, an attacker would have to have the ability to send arbitrary messages on the network. The only known exploit of this vulnerability leaks a limited number of bytes from the stack. No denial-of-service, memory corruption, or remote code execution has been shown.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EM
EmberZNet · Silicon Labs
8.0.0 through 9.1.1; through 7.5.1 · source: vendor
Affected product
EM
EmberZNet
Silicon Labs
More from EmberZNet
9.8
CVE-2026-85079
Out-of-bounds write in Zigbee Simple_Desc_req handling
9.8
CVE-2026-94502
Out-of-bounds write in Zigbee Publish Price Matrix handling
9.1
CVE-2026-85080
Authenticated Denial-of-Service in Zigbee GetGroupMembership Handling
7.5
CVE-2026-66282
Authenticated Denial-of-Service in Zigbee Publish Billing Period
7.5
CVE-2026-66281
Authenticated Denial-of-Service in Zigbee Discover Attributes Handling