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.
High · 7.5
CVE-2026-51218
EUVD-2026-40244GHSA-6m46-rpq9-jh59
A heap buffer overflow in the TS7Worker::PerformFunctionWrite() function (/core/s7_server.cpp) of snap7 v1.4.3 allows attackers to cause a …
Published Jun 29, 2026 · Updated Jul 30, 2026 · Assigned by mitre