CVE-2018-13808: Siemens CP 1604 Firmware

Critical severity, CVSS 9.1. EPSS: 1.8% chance of exploitation in the next 30 days.

A vulnerability has been identified in CP 1604 (All versions), CP 1616 (All versions). An attacker with network access to port 23/tcp could extract internal communication data or cause a Denial-of-Service condition. Successful exploitation requires network access to a vulnerable device. At the time of advisory publication no public exploitation of this vulnerability was known.

Affected products

• Siemens CP 1604 Firmware: up to and including 2.8
• Siemens CP 1616 Firmware: up to and including 2.8

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