Cisco Email Gateways Are Being Turned Into Root Shells

Cisco says attackers are exploiting a Secure Email Gateway flaw that can let unauthenticated attackers execute commands as root.

Cisco says attackers are exploiting a Secure Email Gateway flaw that can let unauthenticated attackers execute commands as root.

Recent findings reveal that routers manufactured by Shenzhen Zhibotong Electronics (ZBT) contain two serious vulnerabilities, enabling unauthenticated remote attackers to gain root access.

A long-standing flaw in the Linux kernel, dubbed GhostLock (CVE-2026-43499), has been revealed, allowing logged-in users to gain root access on unpatched systems.