| 3Com Switches | admin | admin | Default for many older 3Com switches |
| Alpine Linux | root | (no password) | No password, requires setup after boot |
| Android (ADB interface) | root | (no password) | Root access is disabled in most builds |
| Apple Airport | admin | public | Older versions of Apple Airport routers |
| Arch Linux | root | (no password) | No password by default, requires manual setup |
| Aruba Networks | admin | admin | Default login for Aruba switches and routers |
| Brocade Switches | admin | password | Common on Brocade networking devices |
| Buffalo LinkStation NAS | admin | password | Default for older Buffalo LinkStation models |
| Cisco Devices | admin / cisco | admin / cisco | Common for Cisco routers and switches |
| Debian Live CD | user | live | Default for live CD boot images |
| Dell iDRAC | root | calvin | Remote management interface default |
| Docker (swarm root) | root | (no password) | No password for Docker swarm by default |
| DrayTek Routers | admin | admin | Default for DrayTek devices |
| Elasticsearch | elastic | changeme | Default user/password for Elastic stack |
| Fedora Live CD | liveuser | (no password) | Default for Fedora live images |
| Fortinet Firewall | admin | (no password) | No password set on Fortinet devices |
| Foscam Cameras | admin | admin | Default for some Foscam models |
| GitLab (Community Edition) | root | 5iveL!fe | Default for GitLab after fresh installation |
| GlassFish Server | admin | adminadmin | Default login for GlassFish administration |
| Grafana | admin | admin | Default admin login for Grafana |
| HP iLO | Administrator | Label-specific | Password found on device label |
| Hikvision IP Cameras | admin | 12345 | Default for many Hikvision IP cameras |
| Huawei Routers | admin | admin / (no password) | Default for some Huawei devices |
| JBoss (WildFly default) | admin | admin | WildFly default admin credentials |
| Jenkins (Docker image) | admin | admin | Default for Jenkins Docker containers |
| Juniper Networks | root | (no password) | Root user with no password by default |
| Kali Linux (2020 and newer) | kali | kali | Default for newer versions of Kali Linux |
| Kali Linux (2020 and older) | root | toor | Default for older versions of Kali Linux |
| Linksys Routers | admin | admin | Standard default for many Linksys models |
| MikroTik RouterOS | admin | (no password) | No password by default on MikroTik devices |
| MongoDB (default install) | (no username) | (no password) | No password by default, requires manual config |
| MySQL | root | (empty) | No password set by default on installation |
| Nagios (initial install) | nagiosadmin | nagios | Default for Nagios web UI |
| Netgear Routers | admin | password | Popular default for home Netgear routers |
| Nvidia Jetson (Developer Kit) | nvidia | nvidia | Default for Nvidia Jetson Developer Kits |
| OpenVPN Access Server | openvpn | openvpn | Default admin account for OpenVPN AS |
| OpenWrt (default image) | root | (no password) | No password by default on OpenWrt |
| Oracle Database | system | manager | Common default for Oracle DB installations |
| Palo Alto Firewalls | admin | admin | Default for Palo Alto Networks firewalls |
| phpMyAdmin | admin | (no password) | No password by default for phpMyAdmin |
| PostgreSQL (initial install) | postgres | (no password) | No password by default |
| Prometheus (no login) | N/A | N/A | Prometheus has no default login interface |
| QNAP NAS | admin | admin | Default on QNAP NAS systems |
| Raspberry Pi (Raspbian) | pi | raspberry | Default for Raspbian OS on Raspberry Pi |
| Redis (older versions) | (no username) | (empty) | No password by default, needs manual config |
| Redis | (no username) | (no password) | Default config has no password |
| RHEL (cloud instances) | ec2-user | (no password) | No password, uses SSH keys for access |
| Samsung Smart TV | admin | 00000000 | Default for some Samsung smart TVs |
| SonicWall Firewall | admin | password | Default for SonicWall devices |
| SonarQube | admin | admin | Default credentials for SonarQube web interface |
| Sonatype Nexus | admin | admin123 | Default login for Nexus Repository Manager |
| Supermicro IPMI | ADMIN | ADMIN | Default for Supermicro IPMI systems |
| Synology NAS | admin | admin | Default for older Synology NAS devices |
| TP-Link Routers | admin | admin | Common for TP-Link products |
| Tomcat (default web manager) | admin | admin | Default Tomcat manager credentials |
| TrendNet Routers | admin | admin | Default for TrendNet routers |
| Ubiquiti UniFi | ubnt | ubnt | Default for UniFi access points |
| Ubuntu (cloud instances) | ubuntu | (no password) | Default for cloud images, uses SSH keys |
| Vagrant Boxes (default user) | vagrant | vagrant | Default user/password for many Vagrant boxes |
| WordPress (first login) | admin | admin | Default for some WordPress quick installs |
| XAMPP (MySQL / phpMyAdmin) | root | (no password) | No password set for MySQL in XAMPP |
| Xerox Printers | admin | 1111 | Default for Xerox multifunction printers |
| Yealink IP Phones | admin | admin | Default for Yealink VoIP phones |
| Zabbix | Admin | zabbix | Default admin credentials for Zabbix monitoring |
| Zoom Room Controllers | admin | 1234 | Default for Zoom Room controllers |