snap7 vulnerabilities
CVEs whose affected-version data names the snap7 package. Each record lists the affected and patched versions; check a specific version with the dependency checker or POST /api/sbom.
2 CVEsRSS
CVE-2026-90572Medium· 4.7PoCA vulnerability was determined in davenardella snap7 up to 1.4.3
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 mem…
▾ Twilightdavenardella · snap7EPSS 0.40%via NVD
CVE-2020-22552High· 7.5The Snap7 server component in version 1.4.1, when an attacker sends a crafted packet with COTP protocol the last-data-unit flag set to No and S7 writes a var function, the Snap7 server will be crashed.
The Snap7 server component in version 1.4.1, when an attacker sends a crafted packet with COTP protocol the last-data-unit flag set to No and S7 writes a var function, the Snap7 server will be crashed.
▾ Twilightsnap7_project · snap7EPSS 1.5%via NVD