Switch
MikroTik

MikroTik MikroTik CRS309-1G-8S+IN

- The MikroTik CRS309-1G-8S+IN is a powerful Layer 3 switch that provides high-performance routing and switching capabilities.

MikroTik MikroTik CRS309-1G-8S+IN

Specifications

OS
RouterOS / SwitchOS
CPU
98DX8216 800 MHz
LAN
1x GE
QoS
Yes
RAM
512 MB
USB
1x USB
Flash
16 MB

Potential Threats

No known vulnerabilities found for this device.
Disable all unused ports. Enable port security and 802.1X authentication. Use separate VLANs for management traffic.

Default IP

192.168.88.1

Default admin panel address for MikroTik MikroTik CRS309-1G-8S+IN

Default Credentials — MikroTik MikroTik CRS309-1G-8S+IN

Username Password Access Type Protocol Port Notes
(blank) web HTTP 80
(blank) ssh SSH 22
(blank) telnet Telnet 23
(blank) ftp FTP 21
(blank) snmp SNMP 161
(blank) api API 8728

FAQ

What is the default password for MikroTik MikroTik CRS309-1G-8S+IN?

The most common default credentials for MikroTik MikroTik CRS309-1G-8S+IN are listed in the table above. Always change these immediately after setup.

What is the default username for MikroTik MikroTik CRS309-1G-8S+IN?

The default username for MikroTik MikroTik CRS309-1G-8S+IN is typically "admin". The full list of default credentials including username, password, access type and port is shown in the table on this page.

How do I change the password on MikroTik MikroTik CRS309-1G-8S+IN?

Log in to the admin panel using the default credentials listed above. Navigate to Administration → Password or System → Account settings. Enter the current password and set a new strong password. Save the changes.

How do I reset MikroTik MikroTik CRS309-1G-8S+IN to factory defaults?

Locate the Reset button (usually a small pinhole on the back/bottom of the device). Hold it for 10-30 seconds while powered on until the LEDs flash. The device will reboot with default settings.

Is it safe to leave default credentials unchanged?

No. Default credentials are publicly known and frequently exploited by automated scanners. Change the admin password immediately after first login.

Does MikroTik MikroTik CRS309-1G-8S+IN have known security vulnerabilities?

No CVE vulnerabilities have been linked to MikroTik MikroTik CRS309-1G-8S+IN in our database. This may mean the device has a good security record, or that vulnerabilities exist but have not been officially assigned CVE identifiers.

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