### [CVE-2021-3625](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3625)
![](https://img.shields.io/static/v1?label=Product&message=zephyr&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=v2.5.0%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Heap-based%20Buffer%20Overflow%20(CWE-122)&color=brightgreen)

### Description

Buffer overflow in Zephyr USB DFU DNLOAD. Zephyr versions >= v2.5.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-c3gr-hgvr-f363

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/k0mi-tg/CVE-POC
- https://github.com/manas3c/CVE-POC
- https://github.com/nomi-sec/PoC-in-GitHub
- https://github.com/szymonh/szymonh
- https://github.com/szymonh/zephyr_cve-2021-3625
- https://github.com/whoforget/CVE-POC
- https://github.com/youwizard/CVE-POC