Search/CVE-2025-40937
● CVE — High

CVE-2025-40937

VendorsiemensProductsimatic cn 4100 firmwareDiscoveredDec 9, 2025UpdatedOct 23, 2026

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1). The affected application do not properly validate input parameters in its REST API, resulting in improper handling of unexpected arguments. This could allow an authenticated attacker to execute arbitrary code with limited privileges.

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CVSS v3.1
8.3 HIGH
EPSS
0.59%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Sep 5, 2026
▲ 0.01pp
0.57% → 0.59% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityLOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Connections
2 relationships
Timeline
disclosure → media coverage
Dec 9, 2025
Disclosure — published as a CVE record. · last revised by NVD Oct 23, 2026