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Vulnerability record · CVE-2025-63210 · published 19 November 2025

CVE-2025-63210: Newtec celoxa504 firmware improper authentication vulnerability

Newtec · Celoxa504 Firmware

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 3.1 Critical EPSS 0.55% · top 56.3% CWE-287 · Improper authenticationCWE-302 · CWE-302
9.8CVSS 3.1 base score
0.55%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-63210_Newtec%20Celox%20UHD%20Authentication% ExploitThird Party Advisory
https://www.newtec.com/ Product

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-63210), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.