CVE-2018-20122

CRITICAL

The web interface on FASTGate Fastweb devices with firmware through 0.00.47_FW_200_Askey 2017-05-17 (software through 1.0.1b) exposed a CGI binary that is vulnerable to a command injection vulnerability that can be exploited to achieve remote code execution with root privileges. No authentication is required in order to trigger the vulnerability.

Published: Feb 21, 2019 Modified: Jun 17, 2026

CWE-78

CVSS Metrics

CVSSv3

Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products (1)

Vendor	Product	Version
fastweb	fastgate_firmware	*

GitHub Security Advisory GHSA-93p5-p6gm-m2rg

The web interface on FASTGate Fastweb devices with firmware through 0.00.47_FW_200_Askey 2017-05...

References (2)

http://www.horizonsecurity.it/advisories/?a=12&title=Fastweb+FastGate+router+101b+Remote+code+execution++CVE201820122 Third Party Advisory
http://www.horizonsecurity.it/advisories/?a=12&title=Fastweb+FastGate+router+101b+Remote+code+execution++CVE201820122 Third Party Advisory

Risk Scores

CVSS Score 9.8 / 10

EPSS Score 4.82%

Top 9% most likely to be exploited

Threat Score 40.6 / 100

Data Sources

NVD EPSS GitHub