What is CVE-2025-6811?

CVE-2025-6811 is a critical-severity vulnerability in Mescius Activereports.net, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2025-07-07.

How severe is CVE-2025-6811?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Mescius Activereports.net

CVE-2025-6811

Mescius ActiveReports.NET TypeResolutionService Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Mescius ActiveReports…

Vulnerability class: Insecure Deserialization

EPSS: 0.007 (49.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Mescius Activereports.net — versions 18.1.1

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2025-6811?: CVE-2025-6811 is a critical-severity vulnerability in Mescius Activereports.net, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2025-07-07.
How severe is CVE-2025-6811?: Critical severity. CVSS v3 base score is 9.8 out of 10.