ZDI-25-523: IrfanView CADImage Plugin DXF 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 DXF 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.
Other sources
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 ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2025-7276.
— ZDI
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Compensating control
Because exploitation requires user interaction (target must visit a malicious page or open a malicious file), restrict users from opening untrusted files and visiting untrusted web pages to reduce exposure to CVE-2025-7276 in IrfanView CADImage Plugin (ZDI-25-523).
Event History
Frequently Asked Questions
What is the severity of ZDI-25-523?
The vulnerability ZDI-25-523 has a critical severity level due to its potential for remote code execution.
How do I fix ZDI-25-523?
To fix the ZDI-25-523 vulnerability, update to the latest version of the IrfanView CADImage Plugin provided by the vendor.
Who is affected by ZDI-25-523?
Users of the IrfanView CADImage Plugin are affected by the ZDI-25-523 vulnerability.
What type of attacks can exploit ZDI-25-523?
ZDI-25-523 can be exploited through remote code execution by visiting a malicious webpage or opening a malicious file.
What are the requirements for an attacker to exploit ZDI-25-523?
Exploitation of ZDI-25-523 requires user interaction, as the target must open a harmful file or visit a malicious link.