CVE-2026-16225
Medium
Description
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 has been released to the public and may be used for attacks.
SeverityMedium
CVSS6.3
Exploit probability—
ProductDavenardella Snap7
PublishedJul 19, 2026
First seenJul 19, 2026
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| davenardella snap7 | 1.4.0, 1.4.1, 1.4.2, 1.4.3 | — |
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