CVE-2026-51218

A heap buffer overflow in the TS7Worker::PerformFunctionWrite function /core/s7server.cpp of snap7 v1.4.3 allows attackers to cause a Denial of Service DoS via a crafted packet...

CVE-2026-51218

A heap buffer overflow in the TS7Worker::PerformFunctionWrite function /core/s7server.cpp of snap7 v1.4.3 allows attackers to cause a Denial of Service DoS via a crafted packet...

PT-2026-53751

Name of the Vulnerable Software and Affected Versions snap7 version 1.4.3 Description A heap buffer overflow occurs in the TS7Worker::PerformFunctionWrite function located in /core/s7 server.cpp. This issue allows an attacker to trigger a Denial of Service DoS by sending a specially crafted packe...