Unrated severityNVD Advisory· Published Jan 7, 2026· Updated Jan 7, 2026
Columbia Weather Systems MicroServer Command Shell in Externally Accessible Directory
CVE-2025-66620
Description
An unused webshell in MicroServer allows unlimited login attempts, with sudo rights on certain files and directories. An attacker with admin access to MicroServer can gain limited shell access, enabling persistence through reverse shells, and the ability to modify or remove data stored in the file system.
Affected products
1- Columbia Weather Systems/MicroServerv5Range: 0
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2News mentions
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