[CVE-2026-51218] A heap buffer overflow in the TS7Worker::PerformFunctionWrite() function (/core/s7_server.cpp) of sn…

Descripción técnica

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.

Puntuación CVSS

Score: 7.5/10 — Severidad: HIGH — Estado NIST: Deferred

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Debilidades (CWE)

CWE-122

Fuente oficial

Publicado en NIST NVD.