What is CVE-2025-66835?

CVE-2025-66835 is a high-severity vulnerability in Trueconf, classified under Uncontrolled Search Path Element. CVSS score: 7.1/10. Published 2025-12-30.

How severe is CVE-2025-66835?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Trueconf

CVE-2025-66835

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.

Published 2025-12-30 · last modified 2026-07-05.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (7.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Trueconf — versions 8.5.2

Weakness classification (CWE)

CWE-427 — Uncontrolled Search Path Element

References

trueconf.com (Product)
github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66835/README.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-66835?: CVE-2025-66835 is a high-severity vulnerability in Trueconf, classified under Uncontrolled Search Path Element. CVSS score: 7.1/10. Published 2025-12-30.
How severe is CVE-2025-66835?: High severity. CVSS v3 base score is 7.1 out of 10.