boxscore/security
CVE · referencelatest edition

Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-90572

davenardella snap7 s7_micro_client.cpp opUpload memory corruption
  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   H   N   L   L   L    2.0   .0042   33.9     —
AFFECTED
  Product  Versions  Fixed
  snap7    1.4.0 –   —
TIMELINE
  Sep 12  Reserved by VulDB
  Sep 13  Published (CNA: VulDB)
  Sep 15  EXPLOIT PUBLISHED — CVE-2026-90572 (davenardella snap7). Public exploit reference added.
CWE-119 · CNA: VulDB · CVSS v4.0 · 6 references · NVD status: Deferred

Description

A vulnerability was determined in davenardella snap7 up to 1.4.3. The affected element is the function TSnap7MicroClient::opUpload of the file src/core/s7_micro_client.cpp. Executing a manipulation of the argument DataLen can lead to memory corruption. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

Lifecycle

Complete event history — 3 events, chronological
DateEventDetail
September 12, 2026ReservedReserved by VulDB
September 13, 2026PublishedPublished (CNA: VulDB)
September 15, 2026EXPLOIT PUBLISHEDEXPLOIT PUBLISHED — CVE-2026-90572 (davenardella snap7). Public exploit reference added.

Affected

Affected products and packages — 1 row
VendorProduct / PackageEcosystemVersion introducedFixed
davenardellasnap7—1.4.0—

Weaknesses

CWE-119

References (6)

Related

Authoritative record: CVE-2026-90572 at cve.org

Vendors: davenardella

Weaknesses: CWE-119

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-90572 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.