CVE-2022-40628: Tacitine EN6200-Prime Quad-100 Firmware

Critical severity, CVSS 9.8. EPSS: 2.2% chance of exploitation in the next 30 days.

This vulnerability exists in Tacitine Firewall, all versions of EN6200-PRIME QUAD-35 and EN6200-PRIME QUAD-100 between 19.1.1 to 22.20.1 (inclusive), due to improper control of code generation in the Tacitine Firewall web-based management interface. An unauthenticated remote attacker could exploit this vulnerability by sending a specially crafted http request on the targeted device. Successful exploitation of this vulnerability could allow an unauthenticated remote attacker to execute arbitrary commands on the targeted device.

Affected products

• Tacitine EN6200-Prime Quad-100 Firmware: from 19.1.1, before 22.21.2 (fixed in 22.21.2)
• Tacitine EN6200-Prime Quad-35 Firmware: from 19.1.1, before 22.21.2 (fixed in 22.21.2)

Published 2022-09-23. Last modified 2026-06-17.