Vulnerability · Published Jan 7, 2026 · Assigned by icscert
CVE-2025-64305Columbia Weather Systems MicroServer Cleartext Storage in a File or on Disk
Medium 6.5
In plain English
A medium-severity security flaw in MicroServer from Columbia Weather Systems. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.1%top 96.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Columbia Weather Systems | MicroServer | 0 – before MS_4.1_14142 |
Weakness: CWE-313 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N