Vulnerability Intelligence

🛡 CVE-2025-52691

SmarterTools SmarterMail Unrestricted Upload of File with Dangerous Type Vulnerability
SmarterTools SmarterMail CWE-434

Ransomware use

KNOWN
CISA KEV

EPSS

not scored

Added to KEV

2026-01-26
CISA

Remediate by

2026-02-16
⚠ OVERDUE

CWE

CWE-434
weakness

⚠ KEV remediation overdue

CISA required federal remediation by 2026-02-16. This exploited vulnerability is past its Binding Operational Directive 22-01 due date — prioritize patch/mitigation and hunt for exploitation.

📄 Description

SmarterTools SmarterMail contains an unrestricted upload of file with dangerous type vulnerability that could allow an unauthenticated attacker to upload arbitrary files to any location on the mail server, potentially enabling remote code e

🏹 Attributed exploitation

Malware / ransomware (KEV): ransomware (KEV-flagged)

Malware pivots: 🦠 ransomware 🦠 ransomware (KEV-flagged)

🛡 Add to case

Attach CVE-2025-52691 (Vulnerability / CVE) and pull all linked entities:
Workstation · Copilot · AI Skills · Automation · Playbooks · Lookups · Docs · Reports

🤖 AI Copilot

🔍 Lookup & Enrich

💡 Recommendations

⚙ Automation

Cron: 0 * * * * php /home/zaptf0zdggll/public_html/threats/cron.php