CVE-2026-15105 — 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 Req…
Published: 2026-07-08 · CVSS: 5.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7