CVE-2025-7323: 
IrfanView vulnerability analysis and mitigation

A remote code execution vulnerability has been identified in IrfanView CADImage Plugin, tracked as CVE-2025-7323. The vulnerability was discovered on February 28, 2025, and publicly disclosed on July 8, 2025. It affects IrfanView CADImage Plugin versions prior to 15.0.0.8 (both x64 and x86) and IrfanView versions prior to 4.72 (NVD, ZDI).

The vulnerability exists within the parsing of DWG files and stems from improper validation of user-supplied data, which can result in a memory corruption condition (CWE-119). The vulnerability has been assigned a CVSS v3.0 base score of 7.8 (HIGH) with the following vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (ZDI).

If successfully exploited, this vulnerability allows remote attackers to execute arbitrary code in the context of the current process on affected installations of IrfanView CADImage Plugin. The high CVSS score indicates severe potential impacts on confidentiality, integrity, and availability of the affected system (NVD).

The vulnerability has been fixed in IrfanView CADImage Plugin version 4.72. Users are advised to upgrade to this version or later to mitigate the risk (ZDI).