CVE-2025-40943: exploitation status and patch state

CVE-2025-40943 · CVSS 9.6 CRITICAL · EPSS <1%

Affected devices do not properly sanitize contents of trace files. This could allow an attacker to inject code through social engineering a legitimate user to import a specially crafted trace file

Is CVE-2025-40943 exploited?

• Not in the CISA KEV catalog.
• EPSS puts exploitation in the next 30 days at <1%.
• Public exploit code: none found in monitored sources.

Which products and versions are affected?

No affected package list recorded here yet.

Is there a patch?

No patch identifier recorded here yet.

What PlainSec published about CVE-2025-40943

• Siemens SIMATIC Flaw Enables Code Injection via Trace Files (2026-03-13)

Primary sources

• NVD record

What this record does not say

• No affected package data.
• No patch identifier.

KEV and EPSS are re-checked daily. Record last updated 2026-08-11.