Siemens SCALANCE W780 and W740

Vulnerabilities 1

• Unscored —
  CVE-2021-25666

  A vulnerability has been identified in SCALANCE W780 and W740 (IEEE 802.11n) family (All versions < V6.3). Sending spec…

  Siemens SCALANCE W780 and W740 (IEEE 802.11n) family ICS / OT
  Feb 9, 2021

Revision history

1. 2021-02-09 #1

   Publication Date

References

• SSA-686152: Denial-of-Service Vulnerability in ARP Protocol of SCALANCE W780 and W740 - HTML Version
  https://cert-portal.siemens.com/productcert/html/ssa-686152.html
• ICS Advisory ICSA-21-040-07 - Web Version
  https://www.cisa.gov/news-events/ics-advisories/icsa-21-040-07
• Recommended Practices
  https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
• Recommended Practices
  https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
• Recommended Practices
  https://www.cisa.gov/topics/industrial-control-systems
• Recommended Practices
  https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
• Recommended Practices
  https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
• Recommended Practices
  https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B