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davenardella

5 known vulnerabilities.

davenardella at a glance

Last 12 months
5
Critical · all time
0
Exploited · all time
0
Public exploit · all time
0
New vulnerabilities per month · last 12 months
0 1 2 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 0 vulnerabilities Mar April 2026: 0 vulnerabilities May 2026: 0 vulnerabilities June 2026: 0 vulnerabilities Jun July 2026: 2 vulnerabilities August 2026: 0 vulnerabilities September 2026: 1 vulnerability Sep October 2026: 2 vulnerabilities November 2026: 0 vulnerabilities
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5 results · Feed

  • High 7.4

    Snap7 through 1.4.3 Out-of-Bounds Write via BRecv and CheckAsBRecvCompletion

    Snap7 through 1.4.3 contains an out-of-bounds write vulnerability in the passive partner that allows a malicious active partner to overflow application buffers by declaring an unvalidated BSend total length. Attackers connecting from the configured peer addre…

  • High 7.4

    snap7 through 1.4.3 Out-of-Bounds Write via TSnap7MicroClient::opReadArea

    snap7 through 1.4.3 contains an out-of-bounds write vulnerability in TSnap7MicroClient::opReadArea() that allows malicious S7 peers to overflow client buffers via an unchecked DataLength field. Rogue or impersonated PLCs can return crafted ReadVar responses c…

  • Medium 4.7

    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/s7_micro_client.cpp. Executing a manipulation of the argument DataLen can lead to memory corruption. The at…

  • Medium 6.3

    davenardella snap7 s7_peer.cpp NegotiatePDULength 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/s7_peer.cpp. The manipulation of the argument PDULength results in out-of-bounds write. The attack …

  • Medium 6.3

    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/s7_server.cpp of the component ReadVar Request Handler. This manipulation causes out-of-bounds write. The attack requires ac…