CVE-2025-30406: Gladinet CentreStack and Triofox Use of Hard-coded Cryptographic Key Vulnerability

Q: How do I fix CVE-2025-30406?

centrestack: upgrade to 16.4.10315.56368. Exact commands for each OS are on this page.

Q: Is CVE-2025-30406 being exploited?

Yes. CVE-2025-30406 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.

Q: What does CVE-2025-30406 affect?

CVE-2025-30406 affects centrestack. Severity is critical (CVSS 9.0). 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

Q: How urgent is CVE-2025-30406?

Priority 91/100. Critical severity; EPSS top 1%: very likely to be exploited; Exploited in the wild (CISA KEV); Public exploit reference; Remotely exploitable, no login, no user action

Patch now

CRITICAL 9.0EXPLOITEDREMOTEUPGRADE

CVE-2025-30406 is a critical-severity flaw (CVSS 9.0) affecting centrestack, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
EPSS top 1%: very likely to be exploited
Exploited in the wild (CISA KEV)
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.0 (Critical)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	94.3% (top 1%)
CISA exploited list	Yes, fix due 2025-04-29
Weakness	CWE-321, CWE-798
Published	2025-04-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: gladinet

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-04-03 20:15 UTCPublished CVE record published
2025-04-08Exploited Added to the CISA Known Exploited Vulnerabilities list
2025-04-29Deadline CISA due date for US federal agencies to patch
2026-06-17 09:08 UTCUpdated Record last modified

gladinet centrestack UPGRADE

Affected: < 16.4.10315.56368

Fixed in: 16.4.10315.56368

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy centrestack || rpm -q centrestack || centrestack --version

2. UPGRADE to 16.4.10315.56368 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade centrestack

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade centrestack

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora 46 · perl-WWW-OrangeHRM-Client · FIXED · 0.12.0-21.fc46 · FEDORA-2026-2d14efca09 · source

sudo dnf upgrade --advisory=FEDORA-2026-2d14efca09

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

GitHub PoC: mchklt/CVE-2025-30406 (90 stars)
GitHub PoC: W01fh4cker/CVE-2025-30406 (12 stars)
Write-up: gladinetsupport.s3.us-east-1.amazonaws.com/gladinet/securityadvisory-cve-2005.pdf
GitHub PoC: Gersonaze/CVE-2025-30406
Metasploit: Gladinet CentreStack/Triofox ASP.NET ViewState Deserialization
Nuclei scan template: Gladinet CentreStack < 16.4.10315.56368 Use of Hard-coded Key Leads to Unauthenticated RCE

Verify at the official source NVD · CVE Program · CISA KEV catalog · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-30406?

centrestack: upgrade to 16.4.10315.56368. Exact commands for each OS are on this page.

Is CVE-2025-30406 being exploited?

Yes. CVE-2025-30406 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.

What does CVE-2025-30406 affect?

CVE-2025-30406 affects centrestack. Severity is critical (CVSS 9.0). 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

How urgent is CVE-2025-30406?

Priority 91/100. Critical severity; EPSS top 1%: very likely to be exploited; Exploited in the wild (CISA KEV); Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-11371 HIGH 7.5 EXPLOITED UPGRADE UPGRADE Gladinet CentreStack and Triofox Files or Directories Accessible to External Parties Vulnerability
CVE-2025-14611 CRITICAL 9.8 EXPLOITED UPGRADE UPGRADE Gladinet CentreStack and Triofox Hard Coded Cryptographic Vulnerability

References

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