How severe is CVE-2025-63210?

CVE-2025-63210 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-63210 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-63210?

CVE-2025-63210 primarily affects Newtec Celoxa504 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-63210?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-63210 have an EU (EUVD) identifier?

Yes. CVE-2025-63210 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198172.

When was CVE-2025-63210 published?

CVE-2025-63210 was published on 2025-11-19 and last updated on 2026-06-17.

CVE-2025-63210

CVE-2025-63210 is a critical-severity vulnerability in Newtec Celoxa504 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-198172
Weakness: CWE-287
Affected product: Newtec Celoxa504 Firmware
Published: 2025-11-19
Last modified: 2026-06-17

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.

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.
How severe is CVE-2025-63210?: CVE-2025-63210 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-63210 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-63210?: CVE-2025-63210 primarily affects Newtec Celoxa504 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-63210?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-63210 have an EU (EUVD) identifier?: Yes. CVE-2025-63210 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198172.
When was CVE-2025-63210 published?: CVE-2025-63210 was published on 2025-11-19 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:newtec:celoxa504_firmware:celox-21.6.13:*:*:*:*:*:*:*
cpe:2.3:o:newtec:celoxa820_firmware:celox-21.6.13:*:*:*:*:*:*:*

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