TLS/SSL Certificate Validation Vulnerability in Asustor ADM Software
CVE-2025-13052

7HIGH

Key Information:

Vendor

Asustor

Status
Adm
Vendor
CVE Published:
12 December 2025

What is CVE-2025-13052?

A vulnerability in Asustor's ADM software arises from inadequate validation of TLS/SSL certificates when configuring email notifications via the msmtp email client. This flaw could enable an attacker with access to intercept network traffic between the SMTP client and server, facilitating a man-in-the-middle (MITM) attack. Such an attack could expose sensitive information transmitted during email communications, posing significant security risks to users relying on secure SMTP transactions.

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Affected Version(s)

ADM Linux 4.1.0 <= 4.3.3.RKD2

ADM Linux 5.0.0 <= 5.1.0.RN42

References

https://www.asustor.com/security/security_advisory_detail...
vendor-advisory

CVSS V4

Score:
7
Severity:
HIGH
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Nuke
JSON
.