Advisory Details

August 28th, 2025

Delta Electronics ISPSoft ISP File Parsing Improper Control of Dynamically-Managed Code Remote Code Execution Vulnerability

ZDI-25-877
ZDI-CAN-25875

CVE ID CVE-2025-53419
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS Delta Electronics
AFFECTED PRODUCTS ISPSoft
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Delta Electronics ISPSoft. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of ISP files. The issue results from insufficient restriction of dynamically-managed code. An attacker can leverage this vulnerability to execute code in the context of the current process.

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-25-240-05
DISCLOSURE TIMELINE
  • 2025-05-22 - Vulnerability reported to vendor
  • 2025-08-28 - Coordinated public release of advisory
  • 2025-08-28 - Advisory Updated
CREDIT Guillaume Orlando
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