CVE-2025-63210 — CRITICAL (9.8)

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Newtec	Celoxa504 Firmware	celox-21.6.13
Newtec	Celoxa504	-
Newtec	Celoxa820 Firmware	celox-21.6.13
Newtec	Celoxa820	-

Related Weaknesses (CWE)

CWE-302 CWE-287 CWE-303

References

https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-6321ExploitThird Party Advisory
https://www.newtec.com/Product

FAQ

What is CVE-2025-63210?

CVE-2025-63210 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 respon...

How severe is CVE-2025-63210?

CVE-2025-63210 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-63210?

Check the references section above for vendor advisories and patch information. Affected products include: Newtec Celoxa504 Firmware, Newtec Celoxa504, Newtec Celoxa820 Firmware, Newtec Celoxa820.