CVE-2026-1874
7.5 · HIGHOverview
CVE-2026-1874 is a high-severity vulnerability affecting mitsubishielectric melsec_iq-f_fx5-eip_firmware. It was published on March 3, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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 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.
Remediation
Check the references section for vendor advisories and patches from mitsubishielectric. Update melsec_iq-f_fx5-eip_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| mitsubishielectric | melsec_iq-f_fx5-eip_firmware | 0 | Affected |
| mitsubishielectric | melsec_iq-f_fx5-enet\/ip_firmware | 0 | Affected |
Frequently Asked Questions
What is CVE-2026-1874?
CVE-2026-1874 is a high-severity vulnerability affecting mitsubishielectric melsec_iq-f_fx5-eip_firmware. It was published on March 3, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2026-1874?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-1874?
Check the references section for vendor advisories and patches from mitsubishielectric. Update melsec_iq-f_fx5-eip_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-1874?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-1874 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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