Out-of-bounds Write Affecting davenardella/snap7 package, versions [0,]


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.4% (33rd percentile)

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  • Snyk IDSNYK-UNMANAGED-DAVENARDELLASNAP7-18017820
  • published19 Jul 2026
  • disclosed19 Jul 2026
  • creditUnknown

Introduced: 19 Jul 2026

CVE-2026-16225  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

There is no fixed version for davenardella/snap7.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Write via the NegotiatePDULength function in s7_peer.cpp. An attacker can cause memory corruption or potentially execute arbitrary code by sending specially crafted input to the affected process remotely.

References

CVSS Base Scores

version 4.0
version 3.1