Date: 20 May 2022
On 19 May 2022 ICS-CERT published an ICS Advisory to highlight vulnerabilities in the following products:
- MELSEC iQ-F FX5U-xMy/z x=32,64,80, y=T,R, z=ES,DS,ESS,DSS – versions prior to 1.270
- MELSEC iQ-F FX5UC-xMy/z x=32,64,96, y=T,R, z=D,DSS – versions prior to 1.270
- MELSEC iQ-F FX5UC-32MT/DS-TS, FX5UC-32MT/DSS-TS, FX5UC-32MR/DS – versions prior to 1.270
- MELSEC iQ-F FX5UJ-xMy/z x=24,40,60, y=T,R, z=ES,ESS – versions prior to 1.030
Exploitation of these vulnerabilities could result in a denial of service.
The Cyber Centre encourages users and administrators to review the provided web link, perform the suggested mitigations and apply the necessary updates.