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TechRadar
TechRadar
Sead Fadilpašić

Cisco says Chinese hackers are exploiting its customers with a new zero-day

Cisco.
  • A zero‑day in Cisco AsyncOS lets attackers gain root access on Secure Email appliances with Spam Quarantine exposed online
  • All AsyncOS releases are vulnerable, and with no patch available Cisco urges full wipes and rebuilds to remove persistence
  • Researchers suspect a Chinese state‑sponsored actor, with many large organizations potentially at risk

Cisco is warning that some of its products have a zero-day vulnerability that is now being actively exploited in attacks. There is currently no patch available, and users are advised to take certain steps to harden their defenses instead.

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