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Critical severity9.6NVD Advisory· Published Mar 10, 2026· Updated Jun 17, 2026

CVE-2025-40943

CVE-2025-40943

Description

Affected devices do not properly sanitize contents of trace files.

This could allow an attacker to inject code through social engineering an authorized user, who has the function right "Read diagnostics", to import a specially crafted trace file.

The malicious trace file is insufficiently sanitized and malicious code could be executed in the clients browser session and trigger PLC operations via the webserver that the legitimate user is authorized to perform.

AI Insight

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Affected products

105

Patches

Vulnerability mechanics

References

1

News mentions

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