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.
Conclusion & alert: CVE-2025-63223 is rated High Exploit Risk (80.1/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.80%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-29 | 0.89% | 0.80% | -0.09% |
| 2 | 2026-04-18 | 0.68% | 0.89% | +0.21% |
| 3 | 2026-04-17 | — | 0.68% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| axeltechnology | streamermax_mk_ii_firmware | >= 0.8.5, <= 1.0.3 | cpe:2.3:o:axeltechnology:streamermax_mk_ii_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-63223_Axel%20Technology%20StreamerMAX%20MK%20II%20-%20Broken%20Access%20Control | Exploit Third Party Advisory Mitigation |
| https://www.axeltechnology.com/ | Product |