Select the Mimosa C5c Firmware 2.8.1 file you downloaded earlier.
Mimosa does not provide direct, publicly accessible download links for firmware files. Instead, you must download the firmware through an authorized channel. You have two primary options:
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
Before initiating any upgrade, it is highly recommended to save your current device settings: Navigate to the or Maintenance tab. Locate the Backup & Restore section. Mimosa C5c Firmware 2.8.1 Download
Upgrading firmware carries a small risk of bricking your device if interrupted. Follow these steps carefully to ensure a seamless update. Prerequisites Before Upgrading
Find the release labeled Version 2.8.1 (ensure you select the correct PTMP or PTP variant depending on your operational deployment mode).
Upgrading to version 2.8.1 ensures that your Point-to-Point (PTP) or Point-to-MultiPoint (PTMP) links operate with optimal spectral efficiency and stability. Key Features and Improvements in Firmware 2.8.1 Select the Mimosa C5c Firmware 2
: Contains critical security patches for RCE and XSS vulnerabilities identified in earlier versions. WithSecure™ Labs Important Compatibility Note If you are using devices as clients (CPE) in a PtMP configuration with newer
Open your web browser and navigate to the official (support.mimosa.co).
Connect to the Mimosa C5c web interface via its IP address (default is usually 192.168.1.20 or assigned via DHCP). Navigate to . You have two primary options: This public link
Ensure your Power over Ethernet (PoE) injector is securely plugged in. A power loss during a firmware flash can permanently damage the device.
: This version addresses critical vulnerabilities such as CVE-2020-25206 (authenticated command injection) and CVE-2020-25205 (stored XSS), which affected firmware through version 2.8.0.2.
The C5c will flash the new firmware image to its internal memory partition and automatically reboot. This process generally takes between 3 to 5 minutes. Doing so can permanently corrupt the flash memory. Step 5: Verification
Perform the upgrade using a physical Ethernet cable rather than over a wireless link to avoid packet drops during transmission. Installation Procedure via Web UI
