CVE-2025-7301: 
IrfanView vulnerability analysis and mitigation

IrfanView CADImage Plugin DWG File Parsing Memory Corruption Remote Code Execution Vulnerability (CVE-2025-7301) was discovered and disclosed on July 8th, 2025. The vulnerability affects IrfanView CADImage Plugin installations up to version 4.72. This security flaw exists within the parsing of DWG files and requires user interaction for exploitation (Zero Day Initiative).

The vulnerability stems from the lack of proper validation of user-supplied data during DWG file parsing, 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: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The vulnerability is classified as CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) (Zero Day Initiative).

An attacker can leverage this vulnerability to execute arbitrary code in the context of the current process. The vulnerability 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 update to this version or later to mitigate the risk (Zero Day Initiative).