What is CVE-2025-63235?

CVE-2025-63235 is a high-severity vulnerability in N/a, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-08-07.

How severe is CVE-2025-63235?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in N/a

CVE-2025-63235

In sol commit 373d848 (2024-12-12), the broker does not fully release resources when handling malformed or duplicate CONNECT packets. When clients send invalid CONNECT packets - either due to repeated attempts or failed authentication - th…

Vulnerability class: DoS (Denial of Service)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2025-63235?: CVE-2025-63235 is a high-severity vulnerability in N/a, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-08-07.
How severe is CVE-2025-63235?: High severity. CVSS v3 base score is 7.5 out of 10.