CVE-2026-90572 davenardella snap7 s7_micro_client.cpp opUpload memory corruption

A vulnerability was determined in davenardella snap7 up to 1.4.3. The affected element is the function TSnap7MicroClient::opUpload of the file src/core/s7microclient.cpp. Executing a manipulation of the argument DataLen can lead to memory corruption. The attack can be executed remotely. The explo...

CVE-2026-90572

A memory corruption vulnerability was identified in davenardella/snap7 (versions up to 1.4.3 ), affecting the function TSnap7MicroClient::opUpload in src/core/s7_micro_client.cpp. Manipulating the DataLen argument can trigger the corruption. The attack is remote over the network but requires high...

PT-2026-90877

A vulnerability was determined in davenardella snap7 up to 1.4.3. The affected element is the function TSnap7MicroClient::opUpload of the file src/core/s7 micro client.cpp. Executing a manipulation of the argument DataLen can lead to memory corruption. The attack can be executed remotely. The...

CVE-2026-90572: Improper Restriction of Operations within the Bounds of a Memory Buffer

A vulnerability was determined in davenardella snap7 up to 1.4.3. The affected element is the function TSnap7MicroClient::opUpload of the file src/core/s7microclient.cpp. Executing a manipulation of the argument DataLen can lead to memory corruption. The attack can be executed remotely. The explo...

EUVD-2026-45435

A security flaw has been discovered in davenardella snap7 up to 1.4.3. The impacted element is the function TSnap7Peer::NegotiatePDULength of the file src/core/s7peer.cpp. The manipulation of the argument PDULength results in out-of-bounds write. The attack can be executed remotely. The exploit h...

CVE-2026-16225

A security flaw has been discovered in davenardella snap7 up to 1.4.3. The impacted element is the function TSnap7Peer::NegotiatePDULength of the file src/core/s7peer.cpp. The manipulation of the argument PDULength results in out-of-bounds write. The attack can be executed remotely. The exploit h...

PT-2026-61062

A security flaw has been discovered in davenardella snap7 up to 1.4.3. The impacted element is the function TSnap7Peer::NegotiatePDULength of the file src/core/s7 peer.cpp. The manipulation of the argument PDULength results in out-of-bounds write. The attack can be executed remotely. The exploit...

CVE-2026-16225: Out-of-bounds Write

A security flaw has been discovered in davenardella snap7 up to 1.4.3. The impacted element is the function TSnap7Peer::NegotiatePDULength of the file src/core/s7peer.cpp. The manipulation of the argument PDULength results in out-of-bounds write. The attack can be executed remotely. The exploit h...

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: 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...