CVE-2019-3915: Verizon Fios Quantum Gateway g1100 Firmware

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

Authentication Bypass by Capture-replay vulnerability in Verizon Fios Quantum Gateway (G1100) firmware version 02.01.00.05 allows an unauthenticated attacker with adjacent network access to intercept and replay login requests to gain access to the administrative web interface.

Affected products

• Verizon Fios Quantum Gateway g1100 Firmware: version 02.01.00.05 only

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