PT-2026-25508 · Zephyrproject Rtos+1 · Zephyr

Enitmar + 1 · Published 2026-03-14 · Updated 2026-03-16 · CVE-2026-0849

Positive Technologies (AI Summary)

CVSS v3.1

6.8

Medium

Base vector

AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Zephyr (affected versions not specified)

Description The Zephyr crypto driver contains a flaw where malformed ATAES132A responses with an oversized length field can cause a 52-byte stack buffer overflow. This allows a compromised device or a bus attacker to potentially corrupt kernel memory and hijack execution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2026-0849

Affected Products

Zephyr

References · 4

• 🔥 https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-ff4p-3ggg-prp6 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-0849 · Security Note
• https://t.me/CVEtracker/47402 · Telegram Post
• https://twitter.com/CVEnew/status/2032998242766504412 · Twitter Post