CVE-2025-64305
Medium
Description
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.
SeverityMedium
CVSS6.5
Exploit probability—
ProductMicroServer
PublishedJan 7, 2026
First seenJan 7, 2026
Weakness typeCWE-313CWE-313
How to fix
Update
- Columbia Weather Systems MicroServerMS_4.1_14142 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Columbia Weather Systems MicroServer | v < MS_4.1_14142 | MS_4.1_14142 |
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