CVE-2025-63210
moderate-risk
Published 2025-11-19
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.
Do I need to act?
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0.19% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (2)
Celoxa504 Firmware
Celoxa820 Firmware
Affected Vendors
References (2)
40
/ 100
moderate-risk
Severity
32/34 · Critical
Exploitability
1/34 · Minimal
Exposure
7/34 · Low