CVE-2026-1876

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-1876
Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP 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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://jvn.jp/vu/JVNVU93286687/ Third Party Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-26-62-01 Third Party Advisory
https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-021_en.pdf Vendor Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:mitsubishielectric:melsec_iq-f_fx5-enet\/ip_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:mitsubishielectric:melsec_iq-f_fx5-enet\/ip:-:*:*:*:*:*:*:*
History

30 Apr 2026, 20:40

Type Values Removed Values Added
Summary
  • (es) Vulnerabilidad de cierre o liberación inadecuados de recursos en Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP todas las versiones permite a un atacante remoto causar una condición de denegación de servicio (DoS) en los productos al enviar continuamente paquetes UDP a los productos. Se requiere un reinicio del sistema del producto para la recuperación.
First Time Mitsubishielectric melsec Iq-f Fx5-enet\/ip
Mitsubishielectric
Mitsubishielectric melsec Iq-f Fx5-enet\/ip Firmware
References () https://jvn.jp/vu/JVNVU93286687/ - () https://jvn.jp/vu/JVNVU93286687/ - Third Party Advisory
References () https://www.cisa.gov/news-events/ics-advisories/icsa-26-62-01 - () https://www.cisa.gov/news-events/ics-advisories/icsa-26-62-01 - Third Party Advisory
References () https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-021_en.pdf - () https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-021_en.pdf - Vendor Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5
CPE cpe:2.3:h:mitsubishielectric:melsec_iq-f_fx5-enet\/ip:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:melsec_iq-f_fx5-enet\/ip_firmware:*:*:*:*:*:*:*:*

04 Mar 2026, 09:15

Type Values Removed Values Added
References
  • () https://www.cisa.gov/news-events/ics-advisories/icsa-26-62-01 -

03 Mar 2026, 08:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-03-03 08:16

Updated : 2026-04-30 20:40

NVD link : CVE-2026-1876

Mitre link : CVE-2026-1876

CVE.ORG link : CVE-2026-1876

JSON object : View

Products Affected

mitsubishielectric

  • melsec_iq-f_fx5-enet\/ip
  • melsec_iq-f_fx5-enet\/ip_firmware
CWE
CWE-404

Improper Resource Shutdown or Release