CVE-2019-25426: Comodo Dome Firewall

Medium severity, CVSS 6.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Comodo Dome Firewall 2.7.0 contains a reflected cross-site scripting vulnerability that allows attackers to inject malicious scripts by submitting crafted input to the dnsmasq endpoint. Attackers can send POST requests with script payloads in the TRANSPARENT_SOURCE_BYPASS or TRANSPARENT_DESTINATION_BYPASS parameters to execute arbitrary JavaScript in users' browsers.

Affected products

• Comodo Dome Firewall: up to and including 2.7.0

Published 2026-02-19. Last modified 2026-06-17.