Advisory Details

July 8th, 2025

IrfanView CADImage Plugin DWG File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability

ZDI-25-483
ZDI-CAN-26108

CVE ID CVE-2025-7251
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS IrfanView
AFFECTED PRODUCTS IrfanView
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of IrfanView CADImage Plugin. 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 DWG files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

ADDITIONAL DETAILS

Fixed in IrfanView CADImage Plugin version 4.72


DISCLOSURE TIMELINE
  • 2025-02-05 - Vulnerability reported to vendor
  • 2025-07-08 - Coordinated public release of advisory
  • 2025-07-08 - Advisory Updated
CREDIT Andrea Micalizzi aka rgod (@rgod777)
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