Auth bypass in Newtec Celoxa504

CVE-2025-63210

The Newtec Celox UHD (models: CELOXA504, CELOXA820) running firmware version celox-21.6.13 is vulnerable to an authentication bypass. An attacker can exploit this issue by modifying intercepted responses from the /celoxservice endpoint. By…

Vulnerability class: Broken Authentication

EPSS: 0.005 (38.8th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-63210?
CVE-2025-63210 is a critical-severity vulnerability in Newtec Celoxa504, classified under Improper Authentication. CVSS score: 9.8/10. Published 2025-11-19.
How severe is CVE-2025-63210?
Critical severity. CVSS v3 base score is 9.8 out of 10.