CVE-2025-63221

critical · 9.1

The Axel Technology puma 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.

9.1

CVSS

0.5%

EPSS (exploit prob.)

44th

EPSS percentile

2025-11-19

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weaknesses

CWE-284

Affected products

Vendor	Product	Affected versions
axeltechnology	puma_firmware	>= 0.8.5, <= 1.0.3
axeltechnology	puma	all versions

Check a specific version with /api/v1/cve/match.

References

https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-63221_Axel%20Technology%20puma%20-%20Broken%20Access%20Control
https://www.axeltechnology.com/

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-63221