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VulnerabilityPublished

CVE-2025-63210: The Newtec Celox UHD (models: CELOXA504, CELOXA820) running firmware version celox-21.6.13 is

Source GCVE Database

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Authoritative record:CVE-2025-63210· Critical 9.8

Not known to be exploited · CVSS 9.8 Critical.

Data as of 13 Nov 2026, 20:47 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 19 Nov 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.

What to do

AI-suggested

Since this is a firmware vulnerability in on-premises devices, users should monitor vendor advisories for updates. Until a fix is released, restrict network access to the /celoxservice endpoint and employ network-level protections to prevent interception and modification of login responses.

Description

The Newtec Celox UHD devices (models CELOXA504 and CELOXA820) running firmware celox-21.6.13 have an authentication bypass vulnerability. An attacker can exploit this by modifying intercepted responses from the /celoxservice endpoint during the loginWithUserName process, allowing unauthorized Superuser or Operator access without valid credentials. This vulnerability has a critical severity with a CVSS score of 9.8.

References

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