Overview
The vulnerability in question, identified as CVE-2025-26469, poses a significant security risk to any system running MedDream PACS Premium 7.3.3.840. The vulnerability arises due to an incorrect default permissions setting in the CServerSettings::SetRegistryValues functionality. It can allow an attacker to decrypt credentials stored in a configuration-related registry key, potentially leading to system compromise and data leakage. This vulnerability is of high importance due to the severity of the attack, which can lead to unauthorized access and control over sensitive systems.
Vulnerability Summary
CVE ID: CVE-2025-26469
Severity: Critical (9.3 CVSS Score)
Attack Vector: Local
Privileges Required: Low
User Interaction: None
Impact: System compromise and data leakage
Affected Products
Share secrets securely
Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.
Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.
- • Encrypted identity
- • Private Spaces for organizations and teams
- • End-to-end encrypted chat, calls, files, and notes
- • Sensitive AI work and protected collaboration
- • Built for information that cannot leak
Our mission is to secure human work alongside AI.
Product | Affected Versions
MedDream PACS Premium | 7.3.3.840
How the Exploit Works
The exploit hinges on the incorrect default permissions vulnerability in the CServerSettings::SetRegistryValues functionality of MedDream PACS Premium. This flaw allows a specially crafted application to decrypt credentials stored in a configuration-related registry key. An attacker with access to the system can execute this malicious script or application, gaining unauthorized access to sensitive data and potentially compromising the system.
Conceptual Example Code
While a specific real-world example of this exploit is not provided, a conceptual representation of the exploit might look something like this:
#include <windows.h>
#include <iostream>
int main() {
HKEY hKey;
char szData[255];
DWORD BufferSize = sizeof(szData);
if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, TEXT("Software\\MedDream\\PACS"), 0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS) {
if(RegQueryValueEx(hKey, TEXT("Credentials"), NULL, NULL, (LPBYTE)szData, &BufferSize) == ERROR_SUCCESS) {
std::cout << "Decrypted Credentials: " << szData << std::endl;
}
RegCloseKey(hKey);
}
return 0;
}The above pseudocode represents an application crafted to address the registry key where the credentials are stored, decrypt them, and print them out. It should be noted this is a simplified and conceptual representation, the actual exploit could be more complex and stealthy.
Mitigation Guidance
Users are strongly advised to apply the vendor patch as soon as possible to resolve this vulnerability. Until the patch can be applied, temporary mitigation measures such as using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can help to detect and prevent exploitation attempts.