CVE-2025-66835
TrueConf Client DLL Hijacking Vulnerability
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.
INFO
Published Date :
Dec. 30, 2025, 7:15 p.m.
Last Modified :
Jan. 9, 2026, 7:40 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update TrueConf Client to the latest version.
- Ensure application loads DLLs from trusted locations.
- Remove or secure untrusted DLLs in application directories.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-66835.
| URL | Resource |
|---|---|
| http://trueconf.com | Product |
| https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66835/README.md | Exploit Third Party Advisory |
| https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66835/README.md | Exploit Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-66835 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-66835
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-66835 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-66835 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jan. 09, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:trueconf:trueconf:8.5.2:*:*:*:*:*:*:* Added Reference Type MITRE: http://trueconf.com Types: Product Added Reference Type MITRE: https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66835/README.md Types: Exploit, Third Party Advisory Added Reference Type CISA-ADP: https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66835/README.md Types: Exploit, Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jan. 02, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Added CWE CWE-427 Added Reference https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66835/README.md -
New CVE Received by [email protected]
Dec. 30, 2025
Action Type Old Value New Value Added 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. Added Reference http://trueconf.com Added Reference https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66835/README.md