CVE-2026-15105 davenardella snap7 ReadVar Request s7_server.cpp PerformFunctionRead out-of-bounds write

A flaw has been found in davenardella snap7 up to 1.4.3. This affects the function TS7Worker::PerformFunctionRead of the file src/core/s7server.cpp of the component ReadVar Request Handler. This manipulation causes out-of-bounds write. The attack requires access to the local network. The exploit...

CVE-2026-15105

A flaw has been found in davenardella snap7 up to 1.4.3. This affects the function TS7Worker::PerformFunctionRead of the file src/core/s7server.cpp of the component ReadVar Request Handler. This manipulation causes out-of-bounds write. The attack requires access to the local network. The exploit...

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-2026-15105: Out-of-bounds Write

A flaw has been found in davenardella snap7 up to 1.4.3. This affects the function TS7Worker::PerformFunctionRead of the file src/core/s7server.cpp of the component ReadVar Request Handler. This manipulation causes out-of-bounds write. The attack requires access to the local network. The exploit...

EUVD-2026-40244

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...

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

The software snap7 version 1.4.3 is vulnerable to a heap buffer overflow in the TS7Worker::PerformFunctionWrite() function located in /core/s7_server.cpp. An attacker can exploit this by sending a crafted packet to trigger a Denial of Service (DoS) . The vulnerability occurs when the program writ...

CVE-2026-51218: Heap-based Buffer Overflow

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...

CVE-2025-15247

A vulnerability was identified in gmg137 snap7-rs up to 153d3e8c16decd7271e2a5b2e3da4d6f68589424. Affected by this issue is the function snap7rs::client::S7Client::download of the file client.rs. Such manipulation leads to heap-based buffer overflow. The attack can be executed remotely. The explo...

CVE-2025-15247

A vulnerability was identified in gmg137 snap7-rs up to 153d3e8c16decd7271e2a5b2e3da4d6f68589424. Affected by this issue is the function snap7rs::client::S7Client::download of the file client.rs. Such manipulation leads to heap-based buffer overflow. The attack can be executed remotely. The explo...

CVE-2025-15247

The CVE-2025-15247 entry concerns the snap7-rs library by gmg137. Affected code is snap7_rs::client::S7Client::download in client.rs, where a heap-based buffer overflow can be triggered remotely. Public exploitation materials exist. The project uses a rolling release, so affected/updated version ...

CVE-2025-15247 gmg137 snap7-rs client.rs download heap-based overflow

A vulnerability was identified in gmg137 snap7-rs up to 153d3e8c16decd7271e2a5b2e3da4d6f68589424. Affected by this issue is the function snap7rs::client::S7Client::download of the file client.rs. Such manipulation leads to heap-based buffer overflow. The attack can be executed remotely. The explo...

CVE-2025-15247 gmg137 snap7-rs client.rs download heap-based overflow

A vulnerability was identified in gmg137 snap7-rs up to 153d3e8c16decd7271e2a5b2e3da4d6f68589424. Affected by this issue is the function snap7rs::client::S7Client::download of the file client.rs. Such manipulation leads to heap-based buffer overflow. The attack can be executed remotely. The explo...

CVE-2025-15247: Heap-based Buffer Overflow

A vulnerability was identified in gmg137 snap7-rs up to 153d3e8c16decd7271e2a5b2e3da4d6f68589424. Affected by this issue is the function snap7rs::client::S7Client::download of the file client.rs. Such manipulation leads to heap-based buffer overflow. The attack can be executed remotely. The explo...

CVE-2025-14673

A vulnerability has been found in gmg137 snap7-rs up to 1.142.1. Affected is the function snap7rs::client::S7Client::asctwrite of the file /tests/snap7-rs/src/client.rs. The manipulation leads to heap-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to t...

CVE-2025-14672

A flaw has been found in gmg137 snap7-rs up to 1.142.1. This impacts the function TSnap7MicroClient::opWriteArea of the file s7microclient.cpp. Executing a manipulation can lead to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be...

CVE-2025-14673

A vulnerability has been found in gmg137 snap7-rs up to 1.142.1. Affected is the function snap7rs::client::S7Client::asctwrite of the file /tests/snap7-rs/src/client.rs. The manipulation leads to heap-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to t...

CVE-2025-14673 gmg137 snap7-rs client.rs as_ct_write heap-based overflow

A vulnerability has been found in gmg137 snap7-rs up to 1.142.1. Affected is the function snap7rs::client::S7Client::asctwrite of the file /tests/snap7-rs/src/client.rs. The manipulation leads to heap-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to t...