SmarterTools SmarterMail Vulnerability Enables Remote Code Execution Attack – PoC Released

A critical pre-authentication remote code execution vulnerability, identified as CVE-2025-52691, has been discovered in SmarterTools’ SmarterMail solution. The flaw received a maximum CVSS score of 10.0, indicating its severe nature and potential impact on affected systems. SmarterTools describes SmarterMail as “a secure, all-in-one business email and collaboration server for Windows and Linux – an affordable […]

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