Medium severity6.3NVD Advisory· Published Jul 8, 2026· Updated Aug 1, 2026
CVE-2026-15105
CVE-2026-15105
Description
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 access to the local network. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
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Affected products
1- Range: <=1.4.3
Patches
Vulnerability mechanics
References
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