Siemens SIMATIC HMI Comfort Panel (TP700 / TP900 / TP1200 / KP900 / KP1200 Comfort Series) — Default Password
Default username and password for the Siemens SIMATIC HMI Comfort Panel (TP700 / TP900 / TP1200 / KP900 / KP1200 Comfort Series): administrator / 100. Learn how to log in and how to change the default credentials.
Siemens SIMATIC HMI Comfort and Basic Panels include an embedded web server with a hardcoded default administrator credential (administrator/100). Documented by ICS-CERT as ICSA-11-356-01 (CVE-2011-4509). Applies to panels running WinCC Comfort firmware. Factory-fresh panels ship with this credential; Siemens issued patches and recommended immediate password change.
| Username | Password | Access | Notes |
|---|---|---|---|
administrator | 100 | Web UI | Embedded web server credential — CVE-2011-4509 / ICSA-11-356-01 |
Responsible use
This database lists publicly documented default credentials so administrators can find and change them. Only use these on systems you own or are authorized to test.