cve/2021/CVE-2021-25435.md

### [CVE-2021-25435](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25435)
![](https://img.shields.io/static/v1?label=Product&message=Tizen%20wearable%20devices&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=Tizen%205.5%3C%20Firmware%20update%20JUL-2021%20Release%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-20%3A%20Improper%20Input%20Validation&color=brighgreen)

### Description

Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using recovery partition in wireless firmware download mode.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/imssm99/imssm99