High severity · published Jan 13, 2026
CVE-2025-40942
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.4)
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.4). Affected application contains a local privilege escalation vulnerability that could allow an attacker to run arbitrary code with elevated privileges.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TS
TeleControl Server Basic · Siemens
before V3.1.2.4 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-40942
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-40942
Vendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-192617.html
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