What is CVE-2025-66108?

CVE-2025-66108 is a medium-severity vulnerability in Merlot Digital (By Tnc) Tnc Toolbox: Web Performance, classified under Missing Authorization. CVSS score: 4.3/10. Published 2025-11-21.

How severe is CVE-2025-66108?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Merlot Digital (By Tnc) Tnc Toolbox: Web Performance

CVE-2025-66108

Missing Authorization vulnerability in Merlot Digital (by TNC) TNC Toolbox: Web Performance tnc-toolbox allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects TNC Toolbox: Web Performance: from n/a through <= 2.0.4.

Vulnerability class: Broken Access Control

EPSS: 0.002 (8.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Merlot Digital (By Tnc) Tnc Toolbox: Web Performance — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2025-66108?: CVE-2025-66108 is a medium-severity vulnerability in Merlot Digital (By Tnc) Tnc Toolbox: Web Performance, classified under Missing Authorization. CVSS score: 4.3/10. Published 2025-11-21.
How severe is CVE-2025-66108?: Medium severity. CVSS v3 base score is 4.3 out of 10.