CVE-2025-10183 XML External Entity Injection in TecConnect 4.1

Critical 9.1 Published Updated

An unauthenticated attacker can exploit blind XXE in TecConnect to exfiltrate arbitrary files to an external server.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-10183?

CVE-2025-10183 is a critical vulnerability in TecCom TecConnect, published on 9 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-611

Which versions are affected by CVE-2025-10183?

How do I fix CVE-2025-10183?

No fix has been published for CVE-2025-10183 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-10183 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-10183 exists.

Sources

Also known as GHSA-96j8-8455-q77x.

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