Summary
Successful exploitation of this vulnerability could allow a remote attacker to cause a denial-of-service (DoS) condition in the affected product by rapidly establishing a large number of TCP connections to it, resulting in an inconsistency in the product's internal connection management process and triggering improper memory access.
Vulnerabilities 1
-
High 8.7
Denial-of-service (DoS) vulnerability in MELSEC iQ-F Series EtherNet/IP module
Integer Overflow or Wraparound vulnerability in the EtherNet/IP function of Mitsubishi Electric MELSEC iQ-F Series FX5-EIP EtherNet/IP module FX5-EIP versions 1.000 and prior allows a remote attacker to cause a denial-of-service (DoS) condition in the affecte…
Revision history
-
#2
Initial CISA Republication of Mitsubishi Electric 2026-002 advisory
-
#1
Initial Publication
References
-
Mitsubishi Electric Advisory 2026-002
https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-002_en.pdf
-
ICS Advisory ICSA-26-169-05 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-26-169-05
-
Recommended Practices
https://www.cisa.gov/news-events/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://www.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/news-events/news/targeted-cyber-intrusion-detection-and-mitigation-strategies-update-b