CVE-2025-53078 is a high severity (CVSS 8.0) deserialization of untrusted data flaw in Samsung DMS, the Data Management Server. The record says attackers can execute arbitrary code by writing a file to the system. Samsung lists fixes on its security updates page, so apply the update for your build.
What's affected
The record covers Samsung DMS and its firmware. It says deserialization of untrusted data allows attackers to execute arbitrary code via write file to the system. The weakness is CWE-502.
The CVSS vector in the record shows a network attack vector, high attack complexity and high privileges required, which fits the score of 8.0. It does not list affected version numbers. Samsung's security updates page is the reference for builds and fixes. I could not load it, so the exact fixed version is not confirmed here, and you should read it before you plan the work.
Two sibling records published the same day, CVE-2025-53081 and CVE-2025-53082, describe file creation and file deletion issues in the same product.
How to check if you're exposed
Samsung publishes DMS security updates on its security updates page for the product. Because I could not load that page while preparing this article, read it directly for the affected and fixed builds, and for the exact steps.
Inside your estate, identify every Samsung Data Management Server, often used with digital signage and display management. Read the version in the management console, and check who can reach it on the network. Several of these records say exploitation is limited to specific, authorized private IP addresses, so look at which addresses the server accepts connections from and whether that list is tight.
Check the server's file system and logs for files or changes you do not recognise, and keep a copy before you patch.
What to do now
- Find every Samsung DMS instance and record its version.
- Apply the fixed version listed on the Samsung DMS security updates page.
- Limit network access to the server to the addresses that must reach it, and remove broad private ranges.
- Review the server for files written by accounts or processes you do not recognise.
- Rotate administrator credentials after the update.
Why it matters
Deserialization turns stored bytes back into live objects. If the data comes from an untrusted source and the program accepts arbitrary object types, the data can trigger code paths that run commands. Combined with the ability to write a file to the system, the record describes a route to code execution.
Management servers for displays sit in a trusted position, because they push content and settings to many screens. A compromise there can affect every connected device. The record gives no sign of use in attacks and the CVE is not on the CISA Known Exploited Vulnerabilities list. Apply the vendor update and keep the server on a restricted management network.
Quick check
Where do I find the fixed version?
The record points to the Samsung DMS security updates page. Check it for the exact build for your deployment.
Sources
Last reviewed: 18 October 2026.
