CVE-2025-63210

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 v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-287 Improper Authentication

CWE-302 CWE-302

CWE-303 CWE-303

Affected Products

Vendor	Product	Versions
newtec	celoxa504_firmware	All
newtec	celoxa504	All
newtec	celoxa820_firmware	All
newtec	celoxa820	All

References

Exploits

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

Other References

https://www.newtec.com/

Frequently Asked Questions

What is CVE-2025-63210? +

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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-63210? +

CVE-2025-63210 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-63210? +

CVE-2025-63210 affects products from newtec, specifically: celoxa504, celoxa504_firmware, celoxa820, celoxa820_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-63210? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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