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CVE-2026-51218

HIGH CVSS: 7.5 Published: 2026-06-29 Modified: 2026-07-30

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.

Affected Platforms

Unknown

Weakness Type

CWE-122

References