CVE-2025-10183 — CRITICAL (9.1)

Vulnerability Description

A blind XML External Entity (XXE) injection in the OpenMessaging webservice in TecCom TecConnect 4.1 allows an unauthenticated attacker to exfiltrate arbitrary files to an attacker-controlled server. TecConnect 4.1 is considered end-of-life as of December 2023. Users are advised to upgrade to TecCom Connect 5.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

HIGH

Related Weaknesses (CWE)

CWE-611

References

https://blog.blacklanternsecurity.com/p/teccom-tecconnect-41-xml-external

FAQ

What is CVE-2025-10183?

CVE-2025-10183 is a vulnerability with a CVSS score of 9.1 (CRITICAL). A blind XML External Entity (XXE) injection in the OpenMessaging webservice in TecCom TecConnect 4.1 allows an unauthenticated attacker to exfiltrate arbitrary files to an attacker-controlled server. ...

How severe is CVE-2025-10183?

CVE-2025-10183 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-10183?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.