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HighCISA KEVExploited in the wildPublic exploit

Command Injection in Smartbedded Meteobridge /public/template.cgi

IdentifiersCVE-2025-4008CWE-78

CVE-2025-4008 is a command injection vulnerability in the Smartbedded Meteobridge management web interface. The flaw affects the CGI endpoint /public/template.cgi in Meteobridge versions prior to 6.2. According to the provided content, a user-supplied query string is parsed and then used unsafely in an eval call within CGI shell-script logic, allowing attacker-controlled input to be interpreted as operating-system commands. The vulnerable endpoint is publicly accessible and does not require authentication. As a result, a remote unauthenticated attacker can send a crafted request, including a simple GET request, to trigger arbitrary command execution on the device. The commands execute with elevated privileges, specifically as root.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation results in arbitrary command execution as root on the affected Meteobridge device. This can lead to complete system compromise, including full administrative control of the appliance, modification or destruction of data and configuration, installation of malware or botnet payloads, persistence, and use of the device as a pivot or staging point for further activity. The provided content also states there is evidence of active exploitation in the wild and that the vulnerability has been added to CISA's Known Exploited Vulnerabilities catalog.

Mitigation

If you can’t patch tonight, do this now.

If immediate upgrading is not possible, restrict or eliminate access to the Meteobridge web interface, especially the publicly reachable /public/template.cgi endpoint. Remove internet exposure, limit access to trusted management networks or specific source IPs, and place the device behind network controls that prevent unauthenticated external access. Monitor for exploitation attempts against template.cgi and for post-compromise indicators such as unexpected command execution or malware deployment. Because the flaw is reported as actively exploited, exposed devices should be treated as high priority for emergency remediation and compromise assessment.

Remediation

Patch, then assume compromise.

Upgrade Smartbedded Meteobridge to version 6.2 or later. The provided content states that versions prior to 6.2 are affected and that version 6.2 contains the fix for CVE-2025-4008.
PUBLIC EXPLOITS

Exploits

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VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
SmartbeddedMeteobridge Firmwareoperating_system
SmartbeddedMeteobridge Vmapplication

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Threat actor evidence

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Associated malware2

Malware families riding this exploit, with evidence and IOCs.

Detection signatures2

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity25

Community discussion across Reddit, Mastodon, and other social sources.