Disclosure summary
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.
Source-reported weakness categories
CWE-553
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2025-66620
Open original source · Updated Oct 07, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| columbiaweather | weather_microserver_firmware | * {"versionEndExcluding":"MS_4.1_14142"} |
Original records & references
- NIST NVD record
- CVE Program record
- github.com — Third Party Advisory
- www.cisa.gov — Third Party Advisory, US Government Resource
PUBLISHED 2026-01-07T16:15:59-05:00
MODIFIED 2026-10-07T05:10:00-04:00
INGESTED 2026-10-08T12:40:21-04:00