CVE-2020-28400: Siemens Dk Standard Ethernet Controller Evaluation Kit Firmware

High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days.

Affected 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 are sent to the device.

Affected products

  • Siemens Dk Standard Ethernet Controller Evaluation Kit Firmware: any version
  • Siemens Ek-Ertec 200 Evaulation Kit Firmware: any version
  • Siemens Ek-Ertec 200p Evaluation Kit Firmware: before 4.7 (fixed in 4.7)
  • Siemens Ruggedcom RM1224 Firmware: before 6.4 (fixed in 6.4)
  • Siemens Scalance M-800 Firmware: before 6.4 (fixed in 6.4)
  • Siemens Scalance s615 Firmware: before 6.4 (fixed in 6.4)
  • Siemens Scalance w1700 Firmware: any version
  • Siemens Scalance w700 Firmware: any version
  • Siemens Scalance x200-4 P Irt Firmware: before 5.5.0 (fixed in 5.5.0)
  • Siemens Scalance x201-3p Irt Firmware: before 5.5.0 (fixed in 5.5.0)
  • Siemens Scalance x201-3p Irt Pro Firmware: before 5.5.0 (fixed in 5.5.0)
  • Siemens Scalance x202-2 Irt Firmware: before 5.5.0 (fixed in 5.5.0)
  • Siemens Scalance x202-2p Irt Pro Firmware: before 5.5.0 (fixed in 5.5.0)
  • Siemens Scalance x204-2 Firmware: before 5.2.5 (fixed in 5.2.5)
  • Siemens Scalance x204-2fm Firmware: before 5.2.5 (fixed in 5.2.5)
  • Siemens Scalance x204-2ld Firmware: before 5.2.5 (fixed in 5.2.5)
  • Siemens Scalance x204-2ld Ts Firmware: before 5.2.5 (fixed in 5.2.5)
  • Siemens Scalance x204-2ts Firmware: before 5.2.5 (fixed in 5.2.5)
  • Siemens Scalance x204 Irt Firmware: before 5.5.0 (fixed in 5.5.0)
  • Siemens Scalance x204 Irt Pro Firmware: before 5.5.0 (fixed in 5.5.0)
  • Siemens Scalance x206-1 Firmware: before 5.2.5 (fixed in 5.2.5)
  • Siemens Scalance x206-1ld Firmware: before 5.2.5 (fixed in 5.2.5)
  • Siemens Scalance x208 Firmware: before 5.2.5 (fixed in 5.2.5)
  • Siemens Scalance x208pro Firmware: before 5.2.5 (fixed in 5.2.5)
  • Siemens Scalance x212-2 Firmware: before 5.2.5 (fixed in 5.2.5)
  • and 54 more

Published 2021-07-13. Last modified 2026-06-17.