CVE-2025-7307: 
IrfanView vulnerability analysis and mitigation

A remote code execution vulnerability (CVE-2025-7307) was discovered in IrfanView CADImage Plugin's DWG file parsing functionality. The vulnerability was reported on February 28, 2025, and publicly disclosed on July 8, 2025. The issue affects IrfanView CADImage Plugin versions prior to 4.72 (Zero Day Initiative).

The vulnerability stems from improper validation of user-supplied data during the parsing of DWG files, which can result in a memory corruption condition. The vulnerability has been assigned a CVSS v3.0 base score of 7.8 (High) with the vector string AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The flaw is classified as CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) (Zero Day Initiative).

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 attack requires user interaction, specifically that the target must visit a malicious page or open a malicious file (Zero Day Initiative).

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 (Zero Day Initiative).