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8.7
Mitsubishi Electric MELSEC iQ-F Series Products Can Crash with Malicious UDP Packets
CVE-2026-1875
Summary
Mitsubishi Electric's MELSEC iQ-F Series FX5-EIP products are vulnerable to a denial-of-service attack. An attacker can send malicious UDP packets to cause the product to crash, requiring a system reset to recover. This means your production or operations could be disrupted, so update your software as soon as possible.
Original title
Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP all versions allows a remote attacker to cause a denial-...
Original description
Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP all versions 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.
nvd CVSS4.0
8.7
Vulnerability type
CWE-404
Published: 3 Mar 2026 · Updated: 13 Mar 2026 · First seen: 6 Mar 2026