Simatic cfu diq

This hub aggregates every CVE we track for Simatic cfu diq, a product in the ics ot iot space. Use it to gauge the current risk picture and drill into individual advisories.

Severity distribution

Monthly trend

The 5 most recently published vulnerabilities affecting Simatic cfu diq.

• CVE-2025-40833The affected devices contain a null pointer dereference vulnerability while processing specially crafted IPv4 requests. This could allow an attacker to cause denial of service condition. A manual r...7.5May 12, 2026
• CVE-2025-40820Affected products do not properly enforce TCP sequence number validation in specific scenarios but accept values within a broad range. This could allow an unauthenticated remote attacker e.g. to in...7.5Dec 9, 2025
• CVE-2024-23814The integrated ICMP service of the network stack of affected devices can be forced to exhaust its available memory resources when receiving specially crafted messages targeting IP fragment re-asse...5.3Feb 11, 2025
• CVE-2022-25622The PROFINET (PNIO) stack, when integrated with the Interniche IP stack, improperly handles internal resources for TCP segments where the minimum TCP-Header length is less than defined. This could...5.3Apr 12, 2022
• CVE-2020-28400Affected devices contain a vulnerability that allows an unauthenticated attacker to trigger a denial of service condition. The vulnerability can be triggered if a large amount of DCP reset packets ...7.5Jul 13, 2021