CVE-2026-90572 — 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. Exec…
Published: 2026-09-13 · CVSS: 5.1 · CVSS 4.0
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 attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7