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SmarterTools SmarterMail RCE

ID: 915bf5c3-c1fc-5813-9d48-4d0b42fe0537

STIX ID: report--915bf5c3-c1fc-5813-9d48-4d0b42fe0537

Feed Name: FortiGuard Threat Signals

Threat Score
90/100

Date Published: 2026-01-28

Date Updated: 2026-07-28

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An Outbreak Alert reports a critically severe SmarterMail vulnerability (CVE-2025-52691, CVSS 10.0) that allows unauthenticated attackers to upload arbitrary files and potentially achieve remote code execution; the report also outlines Iran-linked cyber operations where state-aligned proxies and hacktivists exploit unpatched vulnerabilities and use phishing, DDoS, data exfiltration, and destructive tactics against government, critical infrastructure, and enterprise targets.

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