CVE-2025-3511 Denial of service in CC-Link IE TSN Analog-Digital Converter module NZ2GN2B-60AD4
Remote unauthenticated attackers can cause denial of service in Mitsubishi CC-Link IE TSN modules by sending crafted UDP packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-3511?
CVE-2025-3511 is a high-severity denial of service vulnerability in Mitsubishi Electric Corporation CC-Link IE TSN Analog-Digital Converter module NZ2GN2B-60AD4, published on 25 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper Validation of Specified Quantity in Input vulnerability in Mitsubishi Electric Corporation CC-Link IE TSN Remote I/O module, CC-Link IE TSN Analog-Digital Converter module, CC-Link IE TSN Digital-Analog Converter module, CC-Link IE TSN FPGA module, CC-Link IE TSN Remote Station Communication LSI CP620 with GbE-PHY, MELSEC iQ-R Series CC-Link IE TSN Master/Local Module, MELSEC iQ-R Series Ethernet Interface Module, CC-Link IE TSN Master/Local Station Communication LSI CP610, MELSEC iQ-F Series FX5 CC-Link IE TSN Master/Local Module, MELSEC iQ-F Series FX5 Ethernet Module, MELSEC iQ-F Series FX5-ENET/IP Ethernet Module, and MELSEC iQ-R Series CPU module allows a remote unauthenticated attacker to cause a Denial of Service condition in the products by sending specially crafted UDP packets.
Weakness: CWE-1284
Which versions are affected by CVE-2025-3511?
How do I fix CVE-2025-3511?
No fix has been published for CVE-2025-3511 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-3511 being exploited?
There is no known exploitation of CVE-2025-3511 in the wild and no public exploit code.
Sources
Also known as GHSA-f46p-qr4h-m6p4.