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 patched an Email Gateway and Secure Email zero-day exploited by Chinese hackers to deploy the AquaShell backdoor.
Cisco finally patched a maximum-severity AsyncOS zero-day exploited in attacks targeting Secure Email Gateway (SEG) ...
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 ...
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