How severe is CVE-2026-1875?

CVE-2026-1875 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-1875 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-1875?

CVE-2026-1875 affects Mitsubishielectric Melsec Iq-f Fx5-eip Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-1875?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-1875 have an EU (EUVD) identifier?

Yes. CVE-2026-1875 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9281.

When was CVE-2026-1875 published?

CVE-2026-1875 was published on 2026-03-03 and last updated on 2026-06-17.

CVE-2026-1875

CVE-2026-1875 is a high-severity vulnerability in Mitsubishielectric Melsec Iq-f Fx5-eip Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-404.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9281
Weakness: CWE-404
Affected product: Mitsubishielectric Melsec Iq-f Fx5-eip Firmware
Published: 2026-03-03
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-1875?: 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.
How severe is CVE-2026-1875?: CVE-2026-1875 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-1875 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-1875?: CVE-2026-1875 affects Mitsubishielectric Melsec Iq-f Fx5-eip Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-1875?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-1875 have an EU (EUVD) identifier?: Yes. CVE-2026-1875 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9281.
When was CVE-2026-1875 published?: CVE-2026-1875 was published on 2026-03-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:mitsubishielectric:melsec_iq-f_fx5-eip_firmware:*:*:*:*:*:*:*:*

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