Westermo Network Technologies WeOS 5

Summary

Vulnerabilities 1

• Medium 5.9
  CVE-2025-46419

  Westermo WeOS 5 through 5.23.0 allows a reboot via a malformed ESP packet.

  Westermo WeOS
  Apr 24, 2025

Revision history

1. 2025-09-18 #1

   Initial Publication

References

• ICSA Advisory ICSA-25-261-02 - Web Version
  https://www.cisa.gov/news-events/ics-advisories/icsa-25-261-02
• 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/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
• 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/uscert/ics/tips/ICS-TIP-12-146-01B
• Recommended Practices
  https://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf
• Recommended Practices
  https://www.cisa.gov/uscert/ncas/tips/ST04-014