cvedb.io
CVE-2022-27640
MEDIUM · CVSS 6.5
EPSS exploitation probability: 0%
Published 2022-05-20T13:15:15.077 · Last modified 2026-06-17T04:37:24.100

Summary

A vulnerability has been identified in SIMATIC CP 442-1 RNA (All versions < V1.5.18), SIMATIC CP 443-1 RNA (All versions < V1.5.18). The affected devices improperly handles excessive ARP broadcast requests. This could allow an attacker to create a denial of service condition by performing ARP storming attacks, which can cause the device to reboot.

Affected products

siemens — simatic_cp_442-1_rna_firmware

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.