Chinese hackers are behind attacks on AsyncOS Software that allow complete takeover of the appliance, company says.
At least one of these groups allegedly targeted Cisco Secure Email Gateway, and Cisco Secure Email and Web Manager instances ...
Cisco finally patched a maximum-severity AsyncOS zero-day exploited in attacks targeting Secure Email Gateway (SEG) ...
Cisco patched an Email Gateway and Secure Email zero-day exploited by Chinese hackers to deploy the AquaShell backdoor.
Cisco has patched a critical AsyncOS zero-day flaw exploited since November, linked to a suspected Chinese APT group ...
Cisco released fixes for CVE-2025-20393, a CVSS 10.0 zero-day RCE flaw in AsyncOS exploited by a China-linked APT via email ...
Attackers compromise Cisco Secure Email Gateway and Secure Email and Web Manager via a root vulnerability. Security updates are now available.
Cisco confirms zero‑day (CVE‑2025‑20393) in Secure Email appliances exploited by China‑linked actors Attackers deployed Aquashell backdoor, tunneling tools, and log‑clearing utilities for persistence ...
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