CVE-2019-12489

CRITICAL

Fastweb Askey RTV1907VW Firmware 0.00.81_FW_200_Askey - OS Command Injection via USB Remove Service Mount Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2019-12489. PoCs published by Riccardo Gasparini, garis.

AI-analyzed exploit summary This exploit targets Fastweb Fastgate 0.00.81 routers, leveraging authenticated command injection via the 'mount' parameter in a GET request to 'status.cgi'. It demonstrates remote code execution (RCE) by injecting commands like 'reboot' or enabling SSH.

Description

An issue was discovered on Fastweb Askey RTV1907VW 0.00.81_FW_200_Askey 2018-10-02 18:08:18 devices. By using the usb_remove service through an HTTP request, it is possible to inject and execute a command between two & characters in the mount parameter.

Exploits (2)

exploitdb WORKING POC
by Riccardo Gasparini · pythonwebappshardware
https://www.exploit-db.com/exploits/47654

This exploit targets Fastweb Fastgate 0.00.81 routers, leveraging authenticated command injection via the 'mount' parameter in a GET request to 'status.cgi'. It demonstrates remote code execution (RCE) by injecting commands like 'reboot' or enabling SSH.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Fastweb Fastgate 0.00.81
Auth required
Prerequisites: Network access to the target router · Valid admin credentials
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC 2 stars
by garis · poc
https://github.com/garis/Fastgate

This repository contains a functional exploit for CVE-2019-12489, a command injection vulnerability in Fastweb Fastgate modems. The exploit leverages a lack of proper input sanitization in the `usb_remove` service of `status.cgi`, allowing arbitrary command execution via the `mount` parameter.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Fastweb Fastgate modem/router (firmware versions up to 0.00.89_FW_200_Askey)
Auth required
Prerequisites: Network access to the target device · Valid admin credentials for authentication
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/garis/Fastgate
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/47654

Scores

CVSS v3 9.8
EPSS 0.0623
EPSS Percentile 92.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-78
Status published
Products (1)
fastweb/askey_rtv1907vw_firmware 0.00.81
Published Nov 26, 2019
Tracked Since Feb 18, 2026