CVE-2025-3483

What it is

MedDream PACS Server DICOM File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of MedDream PACS Server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parsing of DICOM files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-25825.

At a glance

Exploitability

Can be exploited locally on the machine without logging in, but needs a user to act. High risk of data exposure, data tampering, service disruption.

Exploit odds

0.6% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2025-05-22 01:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 09:20 UTC Last updatedMost recent change to the record

Details

Published

2025-05-22 01:15 UTC

Last modified

2026-06-17 09:20 UTC

Exploit probability

0.6% · EPSS, next 30 days

Weakness

CWE-121

Record status

Analyzed

Affected

• Meddream Pacs Server < 7.3.5.860

Attack profile CVSS 3.1 · 7.8

Attack vector

Local

Complexity

Low

Privileges needed

None

User interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High