CADImage Plugin on IrfanView DWG File Parser out-of-bounds

Summaryinfo

A vulnerability identified as critical has been detected in CADImage Plugin on IrfanView. The affected element is an unknown function of the component DWG File Parser. The manipulation leads to out-of-bounds. This vulnerability is referenced as CVE-2025-7251. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in CADImage Plugin on IrfanView (affected version not known). This issue affects some unknown functionality of the component DWG File Parser. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

IrfanView CADImage Plugin DWG File Parsing Out-Of-Bounds Read 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 read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-26108.

It is possible to read the advisory at zerodayinitiative.com. The identification of this vulnerability is CVE-2025-7251 since 07/07/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

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• CADImage Plugin

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