CVE-2026-8806
Denial-of-service (DoS) vulnerability in MELSEC iQ-F Series FX5-ENET/IP Ethernet module
Description
Successful exploitation of this vulnerability could allow a remote attacker to cause a denial-of-service (DoS) condition in the affected product by continuously sending a large number of communication packets to the Ethernet port of the product in a short period of time, increasing the processing load of the product, preventing the internal anomaly-detection processing from being performed, and causing the communication function to stop.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:HAvailabilityHigh
Weaknesses
Affected Products
Mitsubishi Electric Corporation
commercial·JPaka mitsubishi electric
Exploitability
No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
References
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2026/icsa-26-169-06.json
raw.githubusercontent.com
https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-003_en.pdf
mitsubishielectric.com
https://www.cisa.gov/news-events/ics-advisories/icsa-26-169-06
cisa.gov
and 11 more references View all →
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