CVE-2026-1876: Denial-of-Service (DoS) vulnerability in Ethernet function of MELSEC iQ-F Series Ethernet module
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-1876?
CVE-2026-1876 is classified as a Denial-of-Service (DoS) vulnerability.
How do I fix CVE-2026-1876?
To mitigate CVE-2026-1876, ensure that you apply any available patches or updates provided by Mitsubishi Electric for the MELSEC iQ-F Series FX5-ENET/IP Ethernet Module.
What systems are affected by CVE-2026-1876?
CVE-2026-1876 affects all versions of the Mitsubishi Electric MELSEC iQ-F Series FX5-ENET/IP Ethernet Module.
Can CVE-2026-1876 be exploited remotely?
Yes, CVE-2026-1876 can be exploited remotely by an attacker to cause a denial-of-service condition.
What are the potential consequences of CVE-2026-1876?
The exploitation of CVE-2026-1876 can lead to disruption of network communications and service outages for the affected devices.