Vulnerability · Published Jul 21, 2025 · Assigned by zdi

CVE-2025-7323IrfanView CADImage Plugin DWG File Parsing Memory Corruption Remote Code Execution Vulnerability

High 7.8

In plain English

A high-severity memory corruption in IrfanView from IrfanView. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).

Severity (CVSS 3.0)7.8High

Exploit odds (30 days)0.2%top 83.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

IrfanView CADImage Plugin DWG File Parsing Memory Corruption Remote Code Execution Vulnerability. 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 memory corruption condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-26428.

Affected products (as reported)

Vendor	Product	Versions
IrfanView	IrfanView	4.70.0.0

Weakness: CWE-119 · Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

ZDI-25-570 x_research-advisory