Advisory Details

October 1st, 2025

Delta Electronics DIALink Directory Traversal Remote Code Execution Vulnerability

CVE ID	CVE-2025-58321
CVSS SCORE	10.0, AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
AFFECTED VENDORS	Delta Electronics
AFFECTED PRODUCTS	DIALink
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on affected installations of Delta Electronics DIALink. Authentication is not required to exploit this vulnerability. The specific flaw exists within the DataCenter service, which listens on TCP port 7631 by default. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.
ADDITIONAL DETAILS	Delta Electronics has issued an update to correct this vulnerability. More details can be found at: https://www.cisa.gov/news-events/ics-advisories/icsa-25-259-07
DISCLOSURE TIMELINE	2025-05-08 - Vulnerability reported to vendor 2025-10-01 - Coordinated public release of advisory 2025-10-01 - Advisory Updated
CREDIT	Anonymous

BACK TO ADVISORIES