Tag: asyncos

1 article

Cisco Secure Email Gateway device centered on a network operations rack in a data center.

Cisco Email Gateway Flaw Exploited, Enables Root Command Execution

A critical Cisco email gateway flaw, CVE-2026-76461, with a near-perfect CVSS score of 9.8, is being actively exploited in the wild, allowing attackers to send a single crafted email and gain root command execution on vulnerable devices. This severe vulnerability stems from insufficient validation in AsyncOS email parsing, making it a pressing concern for Cisco Secure Email Gateway users.

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