Techradar Cisco Patches Critical RCE Flaw Exploited by Hackers
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Cisco has released a patch for a critical remote code execution vulnerability (CVE-2025-20393) affecting its Secure Email appliances. This flaw was actively exploited by Chinese state-sponsored groups for several weeks using a tool named Aquashell. The patch also addresses persistence mechanisms that may have been installed during the exploitation.
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Critical Zero-Day Vulnerability in Cisco Secure Email Gateway Exploited On September 14, 2026, Cisco disclosed a critical SQL injection vulnerability (CVE-2026-76461) in its Secure Email Gateway, allowing unauthenticated remote attackers to execute arbitrary commands with root privileges. This vulnerability arises from insufficient validation in the email parsing logic. Cisco confirmed… CVE-2015-3306 Exploited in ProFTPD FTP Servers CVE-2015-3306, a vulnerability in ProFTPD 1.3.5, allows remote attackers to read and write arbitrary files using the SITE CPFR and SITE CPTO commands. This exploit can lead to unauthorized access and potential remote code execution, as the commands are executed with the privileges of the ProFTPD service. Active…