CVE-2026-1876

8.7 highEPSS 0.5%

High (8.7) in mitsubishielectric melsec iq-f fx5-enet\/ip firmware. EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.7 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)
CWE: CWE-404
Published: 2026-03-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mitsubishielectric:melsec_iq-f_fx5-enet\/ip_firmware

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

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