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CVE-2025-40765 Information disclosure in TeleControl Server Basic V3.1

Critical 9.3 Published Updated

Unauthenticated attackers can obtain password hashes to access the database service, requiring an upgrade to the latest version.

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-2025-40765?

CVE-2025-40765 is a critical vulnerability in Siemens Telecontrol Server Basic, published on 14 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability has been identified in TeleControl Server Basic V3.1 (All versions >= V3.1.2.2 < V3.1.2.3). The affected application contains an information disclosure vulnerability. This could allow an unauthenticated remote attacker to obtain password hashes of users and to login to and perform authenticated operations of the database service.

Weakness: CWE-306

Which versions are affected by CVE-2025-40765?

It affects 1 product.

Products include Siemens Telecontrol Server Basic.

How do I fix CVE-2025-40765?

No fix has been published for CVE-2025-40765 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-40765 being exploited?

There is no known exploitation of CVE-2025-40765 in the wild and no public exploit code.

All Siemens Telecontrol Server Basic vulnerabilities

Sources

Also known as GHSA-qp9r-4cqh-77h3.

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