PatchTheCVEweather microserver firmware vulnerabilities and fixes
Recent CVEs affecting weather microserver firmware, with upgrade or downgrade steps. 2 tracked.
Also searched as: weathermicroserverfirmware.
weather microserver firmware has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 2. Most recent: 2026-01-07. Highest priority: CVE-2025-66620 (score 38/100).
- CVE-2025-66620 HIGH 8.0 UPGRADE An unused webshell in MicroServer allows unlimited login attempts, with sudo rights on certain files and direc
- CVE-2025-61939 HIGH 8.8 UPGRADE An unused function in MicroServer can start a reverse SSH connection to a vendor registered domain, without mu
FAQ
How do I fix weather microserver firmware vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is weather microserver firmware being exploited right now?
None of the tracked weather microserver firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which weather microserver firmware CVE should I patch first?
CVE-2025-66620 currently ranks highest (38/100): An unused webshell in MicroServer allows unlimited login attempts, with sudo rights on certain files and direc.