CVE-2025-64305: Columbia Weather Systems Microserver

Medium severity, CVSS 6.5. EPSS: 0.1% chance of exploitation in the next 30 days.

MicroServer copies parts of the system firmware to an unencrypted external SD card on boot, which contains user and vendor secrets. An attacker can utilize these plaintext secrets to modify the vendor firmware, or gain admin access to the web portal.

Affected products

Published 2026-01-07. Last modified 2026-10-07.