CVE-2025-66835

HIGH
Published Dec 30, 2025 Modified Jan 9, 2026 CWE-427

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.

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CVSS v3.1 Score

7.1
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weakness Type (CWE)

CWE-427 CWE-427

Affected Products

Vendor Product
trueconf trueconf

References

Other References

http://trueconf.com

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 7.1 (HIGH).
How severe is CVE-2025-66835? +
CVE-2025-66835 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2025-66835? +
CVE-2025-66835 affects products from trueconf, specifically: trueconf. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-66835? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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