Description
Malformed ATAES132A responses with an oversized length field overflow a 52-byte stack buffer in the Zephyr crypto driver, allowing a compromised device or bus attacker to corrupt kernel memory and potentially hijack execution.
Scores
CVSS v3
3.8
EPSS
0.0002
EPSS Percentile
6.0%
Attack Vector
PHYSICAL
CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-120
Status
published
Products (2)
zephyrproject/zephyr
4.3.0 (4 CPE variants)
zephyrproject-rtos/Zephyr
< 4.3
Published
Mar 16, 2026
Tracked Since
Mar 16, 2026