CVE-2008-6916: John Doe Netport Software

High severity, CVSS 10.0. EPSS: 4.3% chance of exploitation in the next 30 days.

Siemens SpeedStream 5200 with NetPort Software 1.1 allows remote attackers to bypass authentication via an invalid Host header, possibly involving a trailing dot in the hostname.

Affected products

• John Doe Netport Software: version 1.1 only
• Siemens Speedstream 5200

Published 2009-08-07. Last modified 2026-06-16.