What is CVE-2025-63223?

CVE-2025-63223 is a critical-severity vulnerability in Axeltechnology Streamermax Mk Ii, classified under Improper Access Control. CVSS score: 9.8/10. Published 2025-11-19.

How severe is CVE-2025-63223?

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

Vulnerability in Axeltechnology Streamermax Mk Ii

CVE-2025-63223

The Axel Technology StreamerMAX MK II devices (firmware versions 0.8.5 to 1.0.3) are vulnerable to Broken Access Control due to missing authentication on the /cgi-bin/gstFcgi.fcgi endpoint. Unauthenticated remote attackers can list user accounts, create new administrative users, delete users, and modify system settings, leading to full compromise of the device.

EPSS: 0.008 (51.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Axeltechnology Streamermax_mk_ii
Axeltechnology Streamermax_mk_ii_firmware
N/a — versions n/a

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

cve@mitre.org (Product)
cve@mitre.org (Exploit, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2025-63223?: CVE-2025-63223 is a critical-severity vulnerability in Axeltechnology Streamermax Mk Ii, classified under Improper Access Control. CVSS score: 9.8/10. Published 2025-11-19.
How severe is CVE-2025-63223?: Critical severity. CVSS v3 base score is 9.8 out of 10.