Mitsubishi Electric MELSEC iQ-F Series: Vulnerability Alert Could Cause Denial-of-Service!
View CSAF: A denial-of-service vulnerability in Mitsubishi Electric’s MELSEC iQ-F Series may lead to remote chaos. Just imagine your equipment going on strike after a few crafted TCP packets. Don your cybersecurity cape and use a VPN, or find yourself in a world where even machines need a coffee break!

Hot Take:
Oh, Mitsubishi Electric’s MELSEC iQ-F Series, you’re running a one-size-fits-all vulnerability special! It seems like you’re giving away denial-of-service conditions like Oprah gives away cars. “You get a crash! You get a crash! Everybody gets a crash!” With a CVSS score of 5.3, this vulnerability is like the middle child of cybersecurity—it’s not the most critical but still demands attention. Better get that VPN and tighten up the security measures before your systems experience an unplanned ‘doze-off.’ Let’s just hope they fix this before the machines decide to unionize.
Key Points:
- A remote attacker can exploit the vulnerability to cause a denial-of-service condition.
- The issue affects a wide array of Mitsubishi Electric’s MELSEC iQ-F Series models.
- The vulnerability has a CVSS v3.1 base score of 5.3, making it moderately severe.
- Mitigation strategies include using a VPN and restricting physical access.
- No public exploitation of this vulnerability has been reported yet.
