CVE-2025-52691

SmarterTools SmarterMail Unrestricted Upload of File with Dangerous Type Vulnerability
85.7%
EPSS
100%
Percentile
Yes
Known exploited
0
APAC news · 90d
Summary

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 execution.

Vendor
SmarterTools
Product
SmarterMail
Added to KEV
Jan 26, 2026
Remediation due
Feb 16, 2026 (US federal deadline)
Ransomware use
Known
Weakness
CWE-434
EPSS
85.7% as of Nov 12
In the news
  • No Asia-Pacific article names this CVE yet.
Linked
Actors named alongside it:
none
Incidents exploiting it:
  • none recorded