CVE-2019-18661: Fastweb Fastgate Firmware

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

Fastweb FASTGate 1.0.1b devices allow partial authentication bypass by changing a certain check_pwd return value from 0 to 1. An attack does not achieve administrative control of a device; however, the attacker can view all of the web pages of the administration console.

Affected products

• Fastweb Fastgate Firmware: version 1.0.1b only

Published 2019-11-02. Last modified 2026-06-17.