CVE-2025-63210

Name: CVE-2025-63210
Creator: NVD / NIST
Published: 2025-11-19T18:15:49.207+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2025-63210 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.50%

38.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

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

References

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

Timeline

Published: Nov 19, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-63210?

How severe is CVE-2025-63210?

CVE-2025-63210 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2025-63210?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-63210?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST