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High severity8.2NVD Advisory· Published Feb 7, 2022· Updated Jun 17, 2026

CVE-2021-3861

CVE-2021-3861

Description

The RNDIS USB device class includes a buffer overflow vulnerability. Zephyr versions >= v2.6.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hvfp-w4h8-gxvj

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Zephyrproject Rtos/Zephyr3 versions
    cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*range: >=2.6.0,<=2.7.1
    • (no CPE)range: >=v2.6.0
    • (no CPE)range: v2.6.0

Patches

Vulnerability mechanics

References

1

News mentions

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