Yeastar S-Series VoIP PBX (S20 / S50 / S100 / S300) — Default Password
Default username and password for the Yeastar S-Series VoIP PBX (S20 / S50 / S100 / S300): admin / admin. Learn how to log in and how to change the default credentials.
Yeastar S-Series IP PBX appliances are widely-deployed SMB telephone systems. The web management interface defaults to port 8088 (HTTP) or 8089 (HTTPS). Fresh installations have the default admin account with password admin. The default system IP varies by model but is typically 192.168.5.150 or obtained via DHCP. Yeastar documentation requires the admin password to be changed during initial setup. The S-Series also supports SSH management (port 8022) using the same admin credentials.
| Username | Password | Access | Version / firmware | Notes |
|---|---|---|---|---|
admin | admin | Web UI | S-Series firmware all versions | Web management at http://<pbx-ip>:8088. SSH management also uses admin/admin on port 8022. |
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.
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