Known exploited vulnerability
CVE-2025-4008
The short answer
CVE-2025-4008 affects Smartbedded MeteoBridge and is rated high (CVSS 8.7). CISA added it to the Known Exploited Vulnerabilities catalog on 2025-10-02: attackers are using it, so patch it first.
What it is
The Meteobridge web interface let meteobridge administrator manage their weather station data collection and administer their meteobridge system through a web application written in CGI shell scripts and C. This web interface exposes an endpoint that is vulnerable to command injection. Remote unauthenticated attackers can gain arbitrary command execution with elevated privileges ( root ) on affected devices.
Severity
8.7 high
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Exploited (CISA KEV)
Yes, since Oct 2, 2025
Federal due date Oct 23, 2025
EPSS, next 30 days
93%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Adjacent network
- Attack complexity
- Low
- Attack requirements
- None
- Privileges required
- None
- User interaction
- None
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected products
MeteoBridge. NVD's record lists the exact affected versions.
References
- forum.meteohub.de/viewtopic.php?t=18687 Vendor Advisory
- www.onekey.com/resource/security-advisory-remote-command-execution-on-smartbedded-meteobridge-cve-2025-4008 ExploitThird Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-4008 US Government Resource
Questions
Is CVE-2025-4008 being exploited?
Yes. CISA added CVE-2025-4008 to its Known Exploited Vulnerabilities catalog on 2025-10-02, with a federal remediation due date of 2025-10-23.
How do I fix CVE-2025-4008?
CISA's required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
Related
Latest CVEs this week
Critical and High CVEs from the last 7 days, with KEV and EPSS.
Exploited vulnerabilities by vendor
Every vendor in CISA's KEV catalog, with its count.
Smartbedded exploited vulnerabilities
Everything CISA lists as exploited for Smartbedded.
Vulnerability watch
A briefing and a fix pull request when an advisory hits your dependencies.
Know the day a CVE lands in your code
Connect a GitHub repository and ZeusQA checks its dependencies daily, briefs each advisory and opens the fix. Three test runs free, no card.