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[Action Needed] CUHK1x Wi-Fi Certificate Update on 19 Dec 2025
Users Affected All Staff and Students accessing CUHK1x Wi-Fi service
Start Time 19 Dec 2025 (Fri) 10:00PM
End Time 19 Dec 2025 (Fri) 11:00PM
Cause Server Certificate Renewal
Service Affected Users connecting to CUHK1x Wi-Fi might experience

  • A pop-up message of trusting/accepting the new certificate of CUHK1x after ITSC work:  Please trust/accept * it to continue.
  • Failure in connecting to CUHK1x:  Please forget the CUHK1x network profile in your device and connect again.  Trust/accept * the new certificate when prompted.
Action * Before trusting / accepting the certificate, users need to check the certificate fingerprint (as shown below) to verify its authenticity.  Instruction is available here.  If anything in doubt, do NOT connect and contact us for further advise.

Wi-Fi Certificate Fingerprint Effective from 19 Dec 2025

SHA1 Fingerprint– DA 44 55 C4 63 59 F9 A0 42 E0 56 E8 25 2C 89 2C 7E 3A BE 91
Status Scheduled
Enquiry ITSC Service Desk
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