High severity8.8NVD Advisory· Published Dec 7, 2021· Updated Jun 17, 2026

CVE-2020-12140

Description

A buffer overflow in os/net/mac/ble/ble-l2cap.c in the BLE stack in Contiki-NG 4.4 and earlier allows an attacker to execute arbitrary code via malicious L2CAP frames.

AI Insight

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

Affected products

Contiki-NG/Contiki-NGdescription
Xwiki Contrib/Contiki Ngllm-create
Range: <=4.4

Patches

Vulnerability mechanics

References

github.com/contiki-ng/contiki-ng/pull/1662nvdPatchThird Party Advisory
twitter.com/ScepticCtfnvdThird Party Advisory

News mentions

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