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Vulnerability record · CVE-2025-66835 · published 30 December 2025

CVE-2025-66835: Trueconf uncontrolled search path element vulnerability

Trueconf · Trueconf

TrueConf Client 8.5.2 is vulnerable to DLL hijacking via crafted wfapi.dll allowing local attackers to execute arbitrary code within the user's context.

7.1 CVSS 3.1 High EPSS 0.18% · top 92.9% CWE-427 · Uncontrolled search path element
7.1CVSS 3.1 base score
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
5 Jul 2026Last modified by NVD

Description

TrueConf Client 8.5.2 is vulnerable to DLL hijacking via crafted wfapi.dll allowing local attackers to execute arbitrary code within the user's context.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66835/README.md ExploitThird Party Advisory
https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66835/README.md ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2026-3502TrueConf Client update download lacks integrity check, enabling code executionTrueConf Client downloads application update code and applies it without verifying its integrity (CWE-494). An attacker who can influence the update …KEVEPSS 0.33%analysed7.8CVE-2020-3433Cisco AnyConnect Windows client DLL hijacking via IPC channelCisco AnyConnect Secure Mobility Client for Windows fails to properly validate resources loaded at run time, allowing a DLL hijacking attack through …KEVEPSS 10%analysed6.5CVE-2020-3153Cisco AnyConnect Windows Installer Path Handling Privilege EscalationThe Cisco AnyConnect Secure Mobility Client for Windows installer mishandles directory paths, letting an authenticated local user copy attacker-suppl…KEVEPSS 28%analysed

Source: NIST National Vulnerability Database (record CVE-2025-66835), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.