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 ...