CVEs-PoC/2021/CVE-2021-31698.md

### [CVE-2021-31698](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31698)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### Description

Quectel EG25-G devices through 202006130814 allow executing arbitrary code remotely by using an AT command to place shell metacharacters in quectel_handle_fumo_cfg input in atfwd_daemon.

### POC

#### Reference
- https://nns.ee/blog/2021/04/03/modem-rce.html

#### Github
- https://github.com/189569400/YushuTechUnitreeGo1
- https://github.com/ARPSyndicate/cvemon
- https://github.com/Eliot-Roxbergh/notes_pinephone
- https://github.com/MAVProxyUser/YushuTechUnitreeGo1
- https://github.com/nnsee/jekyll-cve-badge