CVE-2026-15105

CVE-2026-15105 affects davenardella snap7 up to 1.4.3. The flaw resides in TS7Worker::PerformFunctionRead (src/core/s7_server.cpp) within the ReadVar Request Handler, causing deserialization. Exploitation requires local-network access and a public exploit has been published. The project was infor...

CVE-2026-51218

The CVE-2026-51218 entry concerns snap7 v1.4.3 and a heap buffer overflow in TS7Worker::PerformFunctionWrite() located in /core/s7_server.cpp. Attackers can cause a Denial of Service by sending a crafted packet. Affected component is the write function within the S7 server implementation; impact ...