Vulnerability-Lookup

CNVD-2026-14250

Vulnerability from cnvd - Published: 2026-03-19

Title

Zephyr缓冲区溢出漏洞

Description

Zephyr是Zephyr开源的一个可扩展的实时操作系统 (RTOS)。 Zephyr存在缓冲区溢出漏洞。该漏洞源于ATAES132A响应解析未能正确验证输入数据的长度大小，攻击者可利用该漏洞导致内核内存损坏或劫持执行。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-ff4p-3ggg-prp6

Reference

https://nvd.nist.gov/vuln/detail/CVE-2026-0849

Impacted products

Name
Zephyr Zephyr <=4.3

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  "number": "CNVD-2026-14250",
  "openTime": "2026-03-19",
  "products": {
    "product": "Zephyr Zephyr \u003c=4.3"
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CVE-2026-0849 (GCVE-0-2026-0849)

Vulnerability from cvelistv5 – Published: 2026-03-14 21:05 – Updated: 2026-03-17 15:05

Title

crypto: ATAES132A response length allows stack buffer overflow

Summary

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.

Severity

3.8 (Low)


                        
                          CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-17 15:04 UTC

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

zephyr mitre root

References

1 reference

URL	Tags
https://github.com/zephyrproject-rtos/zephyr/secu…

Impacted products

1 product

Vendor	Product	Version
zephyrproject-rtos	Zephyr	Affected: * , ≤ 4.3 (git)

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JSON

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.