#VU107322 Use of hard-coded cryptographic key in CentreStack - CVE-2025-30406

Vulnerability identifier: #VU107322

Vulnerability risk: Critical

CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2025-30406

CWE-ID: CWE-321

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
CentreStack
Server applications / File servers (FTP/HTTP)

Vendor: Gladinet

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to usage of a hard-coded cryptographic key when encrypting ViewState data. A remote non-authenticated attacker can predict the machineKey in use and forge ViewState payloads that pass integrity checks.

Successful exploitation of the vulnerability may allow an attacker to execute arbitrary code on the system with privileges of the Microsoft IIS webserver account. 

Note, the vulnerability is being actively exploited in the wild.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CentreStack: 12.4.9458.51242 - 16.1.10296.56315

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External links
https://gladinetsupport.s3.us-east-1.amazonaws.com/gladinet/securityadvisory-cve-2005.pdf
https://www.centrestack.com/p/gce_latest_release.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.