Vulnerabilities

TI-2025-41015 CVE-2025-66620 · GHSA-mh3m-m8m5-x43f

Columbia Weather Systems MicroServer Command Shell in Externally Accessible Directory

MEDIUM 40

An unused webshell in MicroServer allows unlimited login attempts, with sudo rights on certain files and directories.

CVSS 4.0HIGH 8.6 Adjacent network Low privileges No interaction EPSS 0.00464 Published 2026-01-07 Fixed in MS_4.1_14142 CWE-553

TI-2025-39743 CVE-2025-64305 · GHSA-9crg-j5q8-hwv3

LOW 30

MicroServer copies parts of the system firmware to an unencrypted external SD card on boot, which contains user and vendor secrets.

CVSS 4.0HIGH 7.1 Adjacent network No auth No interaction EPSS 0.00139 Published 2026-01-07 Fixed in MS_4.1_14142 CWE-313

TI-2025-38287 CVE-2025-61939 · GHSA-868w-86hc-x374

LOW 39

An unused function in MicroServer can start a reverse SSH connection to a vendor registered domain, without mutual authentication.

CVSS 4.0HIGH 8.7 Network Low privileges No interaction EPSS 0.00271 Published 2026-01-07 Fixed in MS_4.1_14142 CWE-923