CVE-2026-111280 | davenardella snap7 up to 1.4.3 TSnap7MicroClient opReadArea DataLength out-of-bounds write

October 15, 2026 Yanac

A vulnerability classified as critical has been found in davenardella snap7 up to 1.4.3. This vulnerability affects the function TSnap7MicroClient::opReadArea of the component TSnap7MicroClient. Performing a manipulation of the argument DataLength results in out-of-bounds write.

This vulnerability is identified as CVE-2026-111280. The attack can be initiated remotely. There is not any exploit available.VulDB Recent EntriesRead More