Chinese APT exploits ZyXEL switch flaw, exfiltrates data from ~1,000 devices

A Chinese state-linked threat actor has exploited a vulnerability in ZyXEL network switches to exfiltrate sensitive information from nearly 1,000 devices. The scope of affected sectors and the specific data stolen remain unclear, but the incident highlights ongoing supply-chain and network-infrastructure risks. This is a notable cyber espionage operation targeting network edge devices, which are often less monitored.