Known exploited vulnerability
CVE-2025-30406
The short answer
CVE-2025-30406 affects Gladinet CentreStack and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2025-04-08: attackers are using it, so patch it first. The vendor has linked a patch.
What it is
Gladinet CentreStack through 16.1.10296.56315 (fixed in 16.4.10315.56368) has a deserialization vulnerability due to the CentreStack portal's hardcoded machineKey use, as exploited in the wild in March 2025. This enables threat actors (who know the machineKey) to serialize a payload for server-side deserialization to achieve remote code execution. NOTE: a CentreStack admin can manually delete the machineKey defined in portal\web.config.
Severity
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Apr 8, 2025
Federal due date Apr 29, 2025
EPSS, next 30 days
94%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- 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
CentreStack. NVD's record lists the exact affected versions.
References
- gladinetsupport.s3.us-east-1.amazonaws.com/gladinet/securityadvisory-cve-2005.pdf MitigationPatchVendor Advisory
- www.centrestack.com/p/gce_latest_release.html Release Notes
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30406 US Government Resource
Questions
Is CVE-2025-30406 being exploited?
Yes. CISA added CVE-2025-30406 to its Known Exploited Vulnerabilities catalog on 2025-04-08, with a federal remediation due date of 2025-04-29.
How do I fix CVE-2025-30406?
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.
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