Medium severity · published Feb 5, 2026
CVE-2025-12131
Truncated 802.15.4 packet leads to denial of service
6.5
CVSS
0.2%
EPSS
No
On KEV
Description
A truncated 802.15.4 packet can lead to an assert, resulting in a denial of service.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ES
EmberZNet SDK · silabs.com
8.0.0 before 9.0.0; before 7.5.2 · source: vendor
SS
Simplicity Software Development Kit · Silabs
through 2025.6.2 · source: NVD