CVE-2025-4008: Smartbedded Meteobridge Command Injection Vulnerability

Is it exploited?

Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 2 Oct 2025, 134 days after the CVE record was published.

How likely is exploitation in the next 30 days?

93.3%

EPSS score, percentile 99.8 of all scored records

How severe?

8.7 High

CVSS v4.0 base score, given by the CNA

What should I do?

CISA deadline 23 Oct 2025. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Advisories and patches (1)

Which versions are affected?

Affected

• 6.1 and earlier

Versions by product

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

What to do

CISA due date for this action: 23 October 2025.

Advisories and patches

• forum.meteohub.de (Vendor advisory)

Linked from CISA's catalog entry

• https://forum.meteohub.de/viewtopic.php?t=18687
• https://nvd.nist.gov/vuln/detail/CVE-2025-4008

Affected products and versions

As listed in the CVE record.

Versions not listed are: unaffected.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

About this vulnerability

Smartbedded Meteobridge contains a command injection vulnerability that could allow remote unauthenticated attackers to gain arbitrary command execution with elevated privileges (root) on affected devices.

Summary: CISA's KEV catalog, as of 28 Oct 2026.

• CISA added CVE-2025-4008 to its Known Exploited Vulnerabilities (KEV) catalog on 2 Oct 2025.
• CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
• The due date CISA sets for the required action is 23 Oct 2025.
• The CVE record was published on 21 May 2025, 134 days before it was added to KEV.
• The CVE record carries a CVSS v4.0 base score of 8.7 (High), given by its CNA.
• FIRST's EPSS model puts the probability of exploitation in the next 30 days at 93.3% (percentile 99.8), as of 28 Oct 2026.
• CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact total.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.

Description

Arbitrary Command Injection in Smartbedded MeteoBridge

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.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

Weakness

• CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')
• CWE-306: Missing Authentication for Critical Function

Attack patterns (CAPEC)

• CAPEC-88: OS Command Injection

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.

Timeline

References

• onekey.com (Third-party advisory)