CVE-2019-3914: Verizon Fios Quantum Gateway g1100 Firmware

High severity, CVSS 7.2. EPSS: 29.9% chance of exploitation in the next 30 days.

Remote command injection vulnerability in Verizon Fios Quantum Gateway (G1100) firmware version 02.01.00.05 allows a remote, authenticated attacker to execute arbitrary commands on the target device by adding an access control rule for a network object with a crafted hostname.

Affected products

• Verizon Fios Quantum Gateway g1100 Firmware: version 02.01.00.05 only

Published 2019-04-11. Last modified 2026-06-17.