CVE-2026-51218

None

Open

TLP:CLEAR

NVD CVE.org

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Description

A heap buffer overflow in the TS7Worker::PerformFunctionWrite() function (/core/s7_server.cpp) of snap7 v1.4.3 allows attackers to cause a Denial of Service (DoS) via a crafted packet.

Details

EPSS Score ⓘ: 0.41%

33.9th percentile
Confidence: 90%
Published: Jun 29, 2026
Last Modified: Jul 30, 2026

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