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Always-Incorrect Control Flow Implementation vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP versions 1.106 and prior and 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.
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CVE Modified by Mitsubishi Electric Corporation6/17/2026 6:16:38 AM
Action
Type
Old Value
New Value
Added
Affected
[{"vendor":"Mitsubishi Electric Corporation","product":"MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP","defaultStatus":"unaffected","versions":[{"version":"versions 1.106 and prior","status":"affected"}]},{"vendor":"Mitsubishi Electric Corporation","product":"MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP","defaultStatus":"unaffected","versions":[{"version":"versions 1.000 and prior","status":"affected"}]}]
Initial Analysis by NIST5/04/2026 10:27:25 AM
Action
Type
Old Value
New Value
Added
CVSS V3.1
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Added
CPE Configuration
AND
OR
*cpe:2.3:o:mitsubishielectric:melsec_iq-f_fx5-eip_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.000
OR
cpe:2.3:h:mitsubishielectric:melsec_iq-f_fx5-eip:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:mitsubishielectric:melsec_iq-f_fx5-enet/ip_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.106
OR
cpe:2.3:h:mitsubishielectric:melsec_iq-f_fx5-enet/ip:-:*:*:*:*:*:*:*
Added
Reference Type
Mitsubishi Electric Corporation: https://jvn.jp/vu/JVNVU93286687/ Types: Third Party Advisory
Added
Reference Type
Mitsubishi Electric Corporation: https://www.cisa.gov/news-events/ics-advisories/icsa-26-62-01 Types: Third Party Advisory
Added
Reference Type
Mitsubishi Electric Corporation: https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-021_en.pdf Types: Vendor Advisory
CVE Modified by Mitsubishi Electric Corporation4/24/2026 4:16:29 AM
Action
Type
Old Value
New Value
Changed
Description
Always-Incorrect Control Flow Implementation vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP versions 1.106 and prior and 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.
Always-Incorrect Control Flow Implementation vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP versions 1.106 and prior and 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.
CVE Modified by Mitsubishi Electric Corporation3/04/2026 4:15:55 AM
New CVE Received from Mitsubishi Electric Corporation3/03/2026 2:16:10 AM
Action
Type
Old Value
New Value
Added
Description
Always-Incorrect Control Flow Implementation vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP versions 1.106 and prior and 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.
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