Disclosure summary
An unused function in MicroServer can start a reverse SSH connection to a vendor registered domain, without mutual authentication. An attacker on the local network with admin access to the web server, and the ability to manipulate DNS responses, can redirect the SSH connection to an attacker controlled device.
Source-reported weakness categories
CWE-923
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-2025-61939
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 2026-01-07T16:15:58-05:00
MODIFIED 2026-10-07T05:10:00-04:00
INGESTED 2026-10-08T12:40:21-04:00