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Denial of service in Siemens industrial networking equipment allows remote unauthenticated attackers to crash affected devices via specially crafted IPv4 packets, requiring manual restart for recovery. This vulnerability affects over 200 Siemens industrial automation products including SCALANCE switches/routers, SIMATIC PLCs, SINAMICS drives, and RUGGEDCOM devices. CVSS 4.0 score of 8.7 reflects high availability impact (VA:H) with network-accessible attack vector requiring low complexity and no privileges (AV:N/AC:L/PR:N). No public exploit code or CISA KEV listing identified at time of analysis, though the straightforward network-based attack and widespread product exposure warrant priority patching for operational technology environments where uptime is critical.
Denial of service in Siemens industrial networking equipment allows remote unauthenticated attackers to crash affected devices via specially crafted IPv4 packets, requiring manual restart for recovery. This vulnerability affects over 200 Siemens industrial automation products including SCALANCE switches/routers, SIMATIC PLCs, SINAMICS drives, and RUGGEDCOM devices. CVSS 4.0 score of 8.7 reflects high availability impact (VA:H) with network-accessible attack vector requiring low complexity and no privileges (AV:N/AC:L/PR:N). No public exploit code or CISA KEV listing identified at time of analysis, though the straightforward network-based attack and widespread product exposure warrant priority patching for operational technology environments where uptime is critical.