Advisory Details

July 28th, 2025

Samsung MagicINFO 9 Server MagicInfoWebAuthorClient Unrestricted File Upload Remote Code Execution Vulnerability

ZDI-25-657
ZDI-CAN-26519

CVE ID CVE-2025-54440
CVSS SCORE 9.8, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Samsung
AFFECTED PRODUCTS MagicINFO 9 Server
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Samsung MagicINFO 9 Server. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the MagicInfoWebAuthorClient app. The issue results from the lack of proper validation of user-supplied data, which can allow the upload of arbitrary files. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.
ADDITIONAL DETAILS Samsung has issued an update to correct this vulnerability. More details can be found at:
https://security.samsungtv.com/securityUpdates
DISCLOSURE TIMELINE
  • 2025-03-25 - Vulnerability reported to vendor
  • 2025-07-28 - Coordinated public release of advisory
  • 2025-07-28 - Advisory Updated
CREDIT Nicola `fromVeeko` Davico of Shielder, Paolo `paupu` Cavaglia of Shielder and Abdel Adim `smaury` Oisfi of Shielder
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