What’s Vulnerable › Vulnerabilities

CVE-2026-1875: Denial-of-Service (DoS) vulnerability in Ethernet function of MELSEC iQ-F Series EtherNet/IP module

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-03 · updated 2026-06-17
• Weakness: CWE-404

Description

Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation 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 on the products by continuously sending UDP packets to the products. A system reset of the product is required for recovery.

Affected products

• Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP: through 1.000

References

• https://jvn.jp/vu/JVNVU93286687/
• https://www.cisa.gov/news-events/ics-advisories/icsa-26-62-01
• https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-021_en.pdf

Get alerted when CVE-2026-1875 or the next vulnerability affects your stack