CVE-2025-52691 Details
Description
Successful exploitation of the vulnerability could allow an unauthenticated attacker to upload arbitrary files to any location on the mail server, potentially enabling remote code execution.
A vulnerability in SmarterMail software, affecting versions Build 9406 and earlier, allows unauthenticated attackers to upload arbitrary files to any location on the mail server. This file upload capability could be exploited to execute remote code on the server.
Users and administrators are advised to update to SmarterMail version Build 9413 immediately.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jan 27, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/watchtowrlabs/watchTowr-vs-SmarterMail-CVE-2025-52691?ref=labs.watchtowr.com | CISA-ADP | ExploitThird Party Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-52691 | CISA-ADP | US Government Resource |
| https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2025-124/ | CSA | Third Party Advisory |
This CVE is in CISA's Known Exploited Vulnerabilities Catalog
Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.
| Vulnerability Name | Date Added | Due Date | Required Action |
|---|---|---|---|
| SmarterTools SmarterMail Unrestricted Upload of File with Dangerous Type Vulnerability | Jan 26, 2026 | Feb 16, 2026 | Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-434 | Unrestricted Upload of File with Dangerous Type | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| smartertools smartermail | < 100.0.9413 |
CPE
Remediation
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Change History
10 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 17, 2026 | CVE Modified | CSA |
| Jan 27, 2026 | Modified Analysis | [email protected] |
| Jan 26, 2026 | CVE Modified | CISA-ADP |
| Jan 22, 2026 | CVE Modified | CISA-ADP |
| Jan 22, 2026 | CVE Modified | CISA-ADP |
| Jan 8, 2026 | CVE Modified | CISA-ADP |
| Jan 2, 2026 | Initial Analysis | [email protected] |
| Dec 29, 2025 | CVE Modified | CISA-ADP |
| Dec 29, 2025 | New CVE Received | CSA |