CVE-2025-63221

Severity: critical (CVSS 9.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-11-19 · updated 2026-06-17
Weakness: CWE-284

Description

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.

Affected products

Axeltechnology Puma Firmware: from 0.8.5 through 1.0.3

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/

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