SIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants)

productUS

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

KEV-listed

public exploit

EPSS ≥ 10%

critical

by severity

0critical3high5medium0low

updated 2026-10-27

vulnerabilities (11)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2019-10936US	medium5.0	2.07% (81st)	—	no fix	2019-10-10	—
CVE-2018-16556US	high7.8	1.54% (75th)	—	no fix	2018-12-13	—
CVE-2017-2680US	medium6.5	1.15% (67th)	—	no fix	2017-05-11	—
CVE-2021-40368US	medium5.0	1.00% (63rd)	—	no fix	2022-04-12	—
CVE-2017-2681US	medium6.5	0.91% (60th)	—	no fix	2017-05-11	—
CVE-2022-25622US	high7.5	0.90% (59th)	—	no fix	2022-04-12	—
CVE-2018-16557US	high7.8	0.82% (57th)	—	no fix	2018-12-13	—
CVE-2024-23814US	—	0.62% (50th)	—	no fix	2025-02-11	—
CVE-2018-4843US	medium6.1	0.54% (45th)	—	no fix	2018-03-20	—
CVE-2025-40820US	—	0.49% (42nd)	—	no fix	2025-12-09	—
CVE-2025-40833US	—	0.32% (25th)	—	no fix	2026-05-12	—

The flaw types (CWEs) most of these CVEs share.

CWE-20Improper Input Validation5 CVEs
CWE-400Uncontrolled Resource Consumption5 CVEs
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer1 CVEs
CWE-347Improper Verification of Cryptographic Signature1 CVEs
CWE-476NULL Pointer Dereference1 CVEs
CWE-940Improper Verification of Source of a Communication Channel1 CVEs

Which sources assert this record, and when.

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