CVE-2025-52691
SmarterTools — SmarterTools SmarterMail Unrestricted Upload of File with Dangerous Type Vulnerability
What EVULNABLE says
EVULNABLE Risk · priority
93/100
Immediate
Intelligence coverage 75/90 — no pre-patch disclosure data
The priority band answers “how soon”, not “how bad” — see Methodology for what it weighs and where it abstains.
The evidence behind it
| Measure | Value | Source |
|---|---|---|
| CVSS base score | 10.0 | NVD |
| FIRST EPSS | 0.857 (99.71st pctl) | FIRST |
| Actively exploited | Confirmed | CISA KEV |
| Ransomware campaign use | Known | CISA KEV |
| CISA remediation deadline | 2026-02-16 — Overdue by 7 months | CISA KEV |
What CISA says to do
The primary records
This page is an opinion about urgency. Where it and a source of record disagree, the source of record is the record.