PT-2025-26889 · Unknown · Pdf-Xchange Editor

Mat Powell · Published 2025-03-12 · Updated 2025-06-26 · CVE-2025-6645

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: PDF-XChange Editor (affected versions not specified)

Description: This issue allows remote attackers to execute arbitrary code on affected installations. User interaction is required, where the target must visit a malicious page or open a malicious file. The flaw exists within the parsing of U3D files due to the lack of validating the existence of an object prior to performing operations on it. An attacker can leverage this to execute code in the context of the current process.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2025-08147

CVE-2025-6645

ZDI-25-430

Affected Products

Pdf-Xchange Editor

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2025-6645 · Security Note
• https://bdu.fstec.ru/vul/2025-08147 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-25-430 · Security Note
• https://pdf-xchange.com/support/security-bulletins.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-6645 · Vendor Advisory
• https://t.me/cvetracker/27054 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1938062186141671518 · Twitter Post
• https://twitter.com/CVEnew/status/1937992238895927361 · Twitter Post