CVE-2025-63210

critical · 9.8

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 injecting a forged response body during the loginWithUserName flow, the attacker can gain Superuser or Operator access without providing valid credentials.

9.8

CVSS

0.5%

EPSS (exploit prob.)

45th

EPSS percentile

2025-11-19

Published

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

Weaknesses

CWE-287CWE-302CWE-303

Affected products

Vendor	Product	Affected versions
newtec	celoxa504_firmware	celox-21.6.13
newtec	celoxa504	all versions
newtec	celoxa820_firmware	celox-21.6.13
newtec	celoxa820	all versions

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

References

https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-63210_Newtec%20Celox%20UHD%20Authentication%20Bypass%20_%20Privilege%20Escalation
https://www.newtec.com/

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-63210