Mitsubishi’s MELSEC Mishap: A Comedy of Ethernet Errors and How to Fix Them!
View CSAF: Mitsubishi Electric’s MELSEC iQ-F Series might just need a nap! A denial-of-service vulnerability, CVSS 7.5, could let remote attackers disrupt Ethernet communication. The fix? A firmware update and some network TLC to dodge those uninvited guests. Time to play IT bouncer and keep the cyber riffraff at bay!

Hot Take:
**_Mitsubishi’s MELSEC iQ-F Series Ethernet modules have a new party trick: they can unexpectedly ghost the network and go into shutdown mode. Just when you thought your network was safe, your Ethernet module decides to play dead. Time to give those firmware updates the attention they deserve!_**
Key Points:
– Mitsubishi Electric’s MELSEC iQ-F Series Ethernet modules have a vulnerability allowing denial-of-service attacks.
– Affected versions: FX5-ENET version 1.100+ and FX5-ENET/IP versions 1.100 to 1.104.
– The vulnerability scores a CVSS v3.1 base score of 7.5, indicating significant risk.
– Mitigation steps include firmware updates, network segregation, and access restrictions.
– No known public exploits have targeted this vulnerability, but vigilance is advised.